# In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=-0.67 and a third quartile of Z=.67,

15,210 results
1. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
2. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
3. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
4. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

asked by david on July 14, 2011
5. ## Statistics

In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=-0.67 and a third quartile of Z=.67, what does this suggest about whether or

asked by david on July 14, 2011
6. ## Math

Quick survey assignment for math class regarding significant age gaps. Last minute assignment that requires me to collect raw data for the class, if anyone at all would be willing to spare a few moments to answer these questions, it would be greatly

asked by Lynn on February 3, 2011
7. ## Math

My class was awarded \$30.000.00 for winning a Spelling Bee competition and my classmates have agreed to use the money towards a class activity.Suggestions were: (a)An educational tour (b)A class party I am required to : (a) carry out a survey to determine

asked by Oxsana on March 10, 2009
8. ## Business Research and writing

Write a short survey (8 to 10 questions) that is related to careers in general, careers in IT, or another occupational topic. Remember, this survey should somehow relate to your final project . Distribute this survey to at least four relatives and/or

asked by Suzi on May 31, 2008
9. ## Sociology

As an assignment for this class as we study cultures and world views, I have to have strangers fill out a survey. I would really appreciate it if you could take a moment and answer these questions! Thanks! Age: 17 or less 18-29 30-49 50+ I’d rather not

asked by Emily on May 7, 2007
10. ## ecology

how do you construct a age pyramid. i have the age class and observed individuals how do i get the present in each age class

asked by donna on September 29, 2013
11. ## Math

Michelle is interested in knowing how often girls in her class at school use their cell phones to instant message their friends. Which of the following methods could Michelle use to conduct a simple random sample to answer her question? A. Give the survey

asked by Sophia on October 8, 2019
12. ## Statistics

the mean age for 12 students in a math class is 20. 2 older students, age 32 and36, respectively enroll. what is the new mean age for the class?

asked by Olivia on September 27, 2011
13. ## Statistics

According to the Pew Internet &American Life Project. 75% of American adults use the internet. The Pew project authors also peported on the percentage of Americans who use the internet by age group. The data in the in the agefile group was consistent with

asked by Rick on April 12, 2012
14. ## Statistics

A survey or college students collected information on several variables: distance from home, age, major, gender, and class. The variable major is A) neither categorical nor numerical B) categorical C) quantitative Please help :)

asked by Macy on January 18, 2015
15. ## Math

Define the variables for each situation. Then write an equation. 7) Jana's age plus 5 equals her sister's age. J + 5=x Would this be correct? 8) Andrew's class has 3 more students than Lauren's class. L + 3=A Is this correct?

asked by Patrick on October 23, 2018
16. ## Math

Define the variables for each situation. Then write an equation. 7) Jana's age plus 5 equals her sister's age. J + 5=x Would this be correct? 8) Andrew's class has 3 more students than Lauren's class. L + 3=A Is this correct?

asked by Patrick on October 24, 2018
17. ## Survey Math

A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art

asked by Alex on October 12, 2013
18. ## Math Help ASAP

A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Survey the first 100 moviegoers

asked by YOLO on April 17, 2015
19. ## statistics

A group of 49 randomly selected construction workers has a mean age of 22.4 years with a standard deviation of 3.8. According to a recent survey, the mean age should be mu=21.9. Test this hypothesis by constructing a 98% confidence interval for the

asked by Cheryl on November 19, 2013
20. ## Math

A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 teachers showed that 21 of them have a second job. D. A survey of 80 teachers showed that 32 of

asked by Judy on March 27, 2018
21. ## Algebra

if 15's student said in a survey that pizza was their favorite food how many students are in the entire class if it was 3/5 of the class?

asked by Stacy on December 14, 2016
22. ## Statistics

A survey asked 2000 people whether or not they frequently exceed the speed limit. The collected data is summarized in the following contingency table. The goal is to determine if there is a difference in the population proportion that say “yes” when

asked by Mea on April 16, 2014
23. ## Geography

we were asked to compare two countries using a chart: children and youth (age 0-19) Working adults (age 20-59) and Seniors (age 60 and older) we were then asked to identify the developed and the developing countries and make predication on the following

asked by Emma on March 20, 2012

In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class

25. ## statistics

In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Thursday. From past data it was noted that 98% of those who went to class on Thursday pass the course, while only 20% of those who did not go to class

asked by bilal on November 21, 2011
26. ## MTH233/statistics UOP

You work for the public relations department of the Social Security Administration. In an effort to design better advertising campaigns, your department decides to conduct a survey to find out the opinions people in the United States have about the Social

asked by sue on August 7, 2010
27. ## English

Guess what? 1. Do you guess what I am going to say? 2. Can you guess what I am going to say? 3. Do/ Can you guess what I will say? 4. Can you guess what I want to say now? (Which one does 'Guess what?' mean?) Guess what! 1. Guess what I am going to say! 2.

asked by rfvv on June 28, 2014
28. ## Statistics

A class survey in a large class for first-year college students asked, "About how many minutes do you study on a typical weeknight?" The mean response of the 463 students was x = 118 minutes. Suppose that we know that the study time follows a Normal

asked by Ray on February 25, 2014
29. ## Math

Ages If someone said that the mean age of everyone in your algebra class is about 16 1/2 years,do you think the age of the teacher was included in the calculation ? Explain

asked by Lovepreet on July 23, 2013
30. ## statistics

Use your data to make a frequency table by age, with 7 classes, starting at age 10 with a class width of 10.

asked by Mikayla on October 3, 2012
31. ## social studies 9

using the data in table5-1, determine how large a part of the popualtion was considered working class what proportion of liverpool's popualtion had sub-standard housing? compare the death 1845 Census Tole population 223 054 people living in cellars 40 000

asked by amy on January 1, 2012
32. ## Math

you want to determine the average age when people got their driver's licence you want to collect data from a random sample of at least 400 people Which of these is most valid for collecting data? * Survey an equal number of students of driving age teachers

asked by Mathe on June 7, 2017
33. ## Science

5 Grade class with 20 students collected snack-survey data.The class made the circle graph. Cookies:5,Granola Bar:4,Candy Bar:7 Fruit:3,Other:1

asked by Frances on April 26, 2011
34. ## Statistics

Students heights in inches were obtained as part of a study and a frequency distribution was constructed with the first class having a lower limit of 50 inches. The class widths are 6 inches. What is the frequency of the second class in the distribution?

asked by Ember Lovet on October 16, 2019
35. ## Math

The mean age of a class of twenty five students is 23.4 years. How old would a twenty sixth student have to be for the mean age of the class to be 24.0 years?

asked by Ashlie on May 28, 2012
36. ## math

Find the age, to the nearest month, of the people in your class. Use the average age in months as your zero and positive and negative numbers to write the age of each person in relation to the average. Work in a group to find a good visual way to display

asked by bb on December 13, 2010
37. ## statistics

from generation to generation, the average age when smokers first start to smoke caties. however, the standatd deviation of that age remains constant of around 2.1 years. a survey of 40 smokers of this generation was done to see if the average starting age

asked by ed on March 20, 2012
38. ## statistics

In a survey randomly selected subjects, the mean age of the 36 respondents is 40.0 years and the standard deviation of the ages is 10.0 years. Use these sample results to construct a 95% confidence interval estimate of the mean age of the population from

asked by Anonymous on March 6, 2013
39. ## arithmetic mean

the average age of 30 children in a class is 9 years if the teacher 's age is included, the average age becomes 10 years find the teacher's age

asked by vijay on January 7, 2018
40. ## math

A class survey in a large class for first-year college students asked, “About how many minutes do you study on a typical weeknight?” The mean response of the 463 students was = 118 minutes. Suppose that we know that the study time follows a Normal

asked by jordon on March 27, 2015
41. ## Math

A sixth-grade class completed a survey about favorite foods. Of the students in the class 2/6 chose hamburgers, and 3/8 chose pizza. What fraction of the class chose either hamburgers or pizza.?

asked by Acacia on December 31, 2012
42. ## Math

A survey asked a group of students to list their eye color. The results of the survey are shown in the graph. Based on the graph, how many more students in a class of 300 students would be expected to have green eyes than blue eyes? A) 10 B) 20 C) 50 D) 90

asked by ItsBeeboBaby on November 29, 2018
43. ## logical reasoning

You are asked to guess an integer between 1 and N inclusive. Each time you make a guess, you are told either: (a) you are too high, (b) you are too low, or (c) you got it! You can guess as many times as you like, but are only allowed to guess too high 10

asked by unowen on February 21, 2018
44. ## logical reasoning

You are asked to guess an integer between 1 and N inclusive. Each time you make a guess, you are told either: (a) you are too high, (b) you are too low, or (c) you got it! You can guess as many times as you like, but are only allowed to guess too high 10

asked by unowen on February 17, 2018
45. ## algebra help!

8) While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. find the number of students in the entire class. My guess is 17 students?? PlZ Help!

asked by reality check on November 16, 2015
46. ## Math

To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many months is the average age of the whole class lowered?

asked by Joseph on September 30, 2011
47. ## Math

To a class of 28 pupils, 12 new pupils whose average age is 10 months less than the average age of the 28 are added. By how many months is the average age of the whole class lowered?

asked by Joseph on September 30, 2011
48. ## Algebra

You want to determine the average number of songs people keep on their MP3 players. You want to collect data from a random sample of at least 300. Which of these would be the most valid method of collecting data? a. Survey students coming in and out of

asked by SkatingDJ on June 7, 2015
49. ## programming

Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that

asked by Penny on October 1, 2012
50. ## Computers

Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that

asked by Liz on September 30, 2012
51. ## Math Stats

The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. 52, 30, 44, 35, 47, 37, 56, 26, 35, 35, 52, 52 __________________________________________________________________________ Construct a 95%

asked by STATS 4 on November 30, 2014
52. ## Maths

During a survey 25 out of the 40 learners in a class indicated that they own a cellphone .Two learners are selected at random from the class the first not being replaced before the second is selected. Draw a tree diagram that shows the possible outcomes

asked by Yamkela magagasi on September 15, 2017
53. ## Mathematics

Jon is working on a city councilperson’s election campaign. He wants to survey potential voters about their opinions. Which is the best way for him to gather a sample? Attend a speech given by the councilman and survey audience members. Select every 10th

asked by Queen/Halle on April 13, 2016
54. ## maths

The mean age of 30 students in a class is 14 years .5 students with mean of 15 years left the class. Find the mean age of the remaining students?

asked by Anonymous on January 3, 2013
55. ## computer science

write a pseudo code which prints a list of all students over the age of 20 in a class. the input record contains age,name of students assume a sentine value of 99

asked by kenge on September 13, 2018
56. ## math

Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own no cats?

asked by eric on November 28, 2010
57. ## World History

Can someone please help me found out the answer to this question. Discuss the relationship between inequality and war from the time of the earliest cities (roughly 4000 BC) to the end of the Bronze Age (roughly 1200 BC). You may consider any form of

asked by Morgan on October 11, 2015
58. ## statistics/excel

I am in an applied stat class and I need help making a predictive line in excel or by hand, I am not sure how to get it to come out so that I can answer "what is the expected age of a person who is caught driving 86 mph?" data is b0=102.33 and i am not

asked by amy on October 15, 2008
59. ## Math

In a recent year there were the following numbers (in thousands) of licensed drivers in the United States. MALE: Age 19 and under - 4746 Age 20 - 1625 Age 21 - 1679 FEMALE: Age 19 and under - 4517 Age 20 - 1553 Age 21 - 1627 Choose one driver at random.

asked by Alex on April 10, 2013
60. ## stats ?

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students

asked by ash on April 6, 2009
61. ## STATS ?

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students

asked by ash on April 5, 2009
62. ## stats ?

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students

asked by ash on April 5, 2009
63. ## stats ?

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A. Kindergarten

asked by ash on April 5, 2009
64. ## Math ?

I have a dilemma; my English professor doesn’t give us our grades so I currently don’t know what percent I am at in the class. I really need to know since I need to know if I’ll be passing or not. He doesn’t grade anything with percent’s, and

asked by Mark on November 10, 2016
65. ## mathes

mathematics: - the agd of some student in a university are as follows:20,15,18,21,22,23,23,16,18,19,23,21,19,22,17,23,18,10,22,24,15,15,17,16,20,23,18,but in a table data if the average expected of the class in 19-years ,so how many student are under age

asked by yusuf on April 21, 2016
66. ## Psychology

You ave decided to conduct a survey on whether a given political candidate will be popular with Latino voters.What is an advantage of the survey method?What is a disadvantage of the survey method?

asked by Gwendolyn Towns on October 28, 2010
67. ## Algebra

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science

asked by Kathryn on May 19, 2014
68. ## survey

what happened to my survey question??? Survey questions are not welcome here; so your question may have been removed. This forum is for homework help. There are other web sites for that sort of thing, such as http://surveycentral.org/survey/25878.html

asked by holly on December 31, 2006
69. ## Math Help Please? c: Thank you :3

At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? A) You survey customers at the local shopping mall. B)

asked by X3 ISayRawr on April 10, 2014
70. ## stats

There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

asked by Gina on October 7, 2010
71. ## math (am i correct)

5x-4y=24 4y-5x=-24 what is the solution of the systme of equations? ( i guess no solution) is the sytem consistant or inconsitatn? (i guess con) is it dependent or independent (i guess dependen)

asked by scooby9132002 on July 1, 2009
72. ## math am i correct?

5x-4y=24 4y-5x=-24 what is the solution of the systme of equations? ( i guess no solution) is the sytem consistant or inconsitatn? (i guess con) is it dependent or independent (i guess dependen)

asked by scooby9132002 on July 2, 2009
73. ## Earth science

TRUE OR FALSE The burning of fossil fuels cause the earth to get warmer by putting carbon dioxide in the atmosphere and the carbon dioxide traps heat. MY GUESS: TRUE Isobars help meteorologists find fronts on weather maps. MY GUESS: FALSE A CLOUD IS A

asked by Elena on December 22, 2014
74. ## Math

Survey the population or use a sample,you want to know the type of computer, if any, that each student in your class has at home?

asked by Michelle on September 28, 2015
75. ## English 1 Foundations B

Yeah so I doubt anyone is going to be able to help which is fine I guess but, My mom never told me when the second semester started and actually did my homework for me which I generally don't understand why she did that because that messed me up

asked by Sarah on March 16, 2019
76. ## stats

The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Considering the Total Credit Hours data from our

asked by Angel on September 18, 2014
77. ## statistics

7. In a certain survey, 30% of those questioned are given an incentive to complete the survey. Of those who receive incentives, 80% completed the survey. Of those who do not receive incentives, 25% completed the survey. a. Find the probability of getting

asked by stats-help on January 23, 2008
78. ## Prob and stat

A survey asked people to respond to the statement "I will begin my shopping at the last minute." Thier responses are categorized below. Admitted last-minute shoppers by age group Last minute shopper, under 25, 25 to 44, over 44 Yes, 510, 420, 308 No, 620,

asked by Angela on May 17, 2011
79. ## Statistics

In a survey of 1037 adults from the United States age 65 and over, 643 were concerned about getting the flu. Construct a 90% confidence interval for the population proportion.

asked by Christina on December 15, 2010
80. ## Stats

There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

asked by Scott on October 9, 2010
81. ## Programming

Here is the source code for the Kitty class: public class Kitty { String name; int age; public Kitty(){ } public void setName(String n){ name = n; } public String getName(){ return name; } public void setAge(int a){ age = a; } public int getAge(){ return

asked by Rob on October 28, 2009
82. ## math help

A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of

asked by jaz on October 2, 2010
83. ## stats

A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of

asked by jaz on October 2, 2010
84. ## English

In Langston Hughes poem "Theme for English B," in the lines 16-26 it says: It's not easy to know what is true for you or me at twenty-two, my age. But I guess I'm what I feel and see and hear, Harlem, I hear you: hear you, hear me--we two--you, me, talk on

asked by Troy on March 17, 2010
85. ## Introduction to Psychology

Okay I have to do short paper on my results for a survey that I did to determine which branch of psychology I would be best suited for. My results were Behavioral: 20, Humanistic: 20, and Psychoanalytical: 17. I think my main problem is getting all of the

asked by Lauren on January 30, 2009
86. ## math

I'm doing a survey for class and I need 10 people to answer the following question with a simple yes or no: Do you eat some type of vegetable everyday?

asked by Alyssa on October 6, 2009
87. ## Math

David wants to survey his friends about their favorite animal. He distributes the following survey. Is this an appropriate survey for David to use? Dogs are - 68% Other 32% A - Yes, with this survey David can tell what his friends' favorite animals are B -

asked by fg on May 15, 2018
88. ## Art

Can you please have a look at these sentences, please? 1) This information about the Augustan Age was not asked for in your test. You weren't supposed to introduce the Augustan Age. You should have focused on both Walpole's and Pitt's policy, the rise of a

asked by Jack on May 23, 2012
89. ## survey of mathematics

in a survey of 24 college student,it was found that 16 were taking and english class,17 were taking math class,and 10 were takin both english nad math.how many student were taking a math class only.

asked by laporisha on September 3, 2011
90. ## Science

The relative age of a rock is ? 1. its age based on how much carbon-14 it contains 2. its age compared with the ages of other rocks 3. less than the age of the fossils it contains 4. the number of years since it formed my answer is D

asked by China one on September 30, 2015
91. ## Math check answers PLZZ

1) Based on a survey, 3 out of 10 students like to play the flute. For a class of 700, how many flutes should the teacher pre-order? (1 point) 70 flutes 210 flutes*** 300 flutes 490 flutes 2) The probability of getting a winning scratch off ticket is 4 out

asked by kailyn on May 22, 2017
92. ## Math

Sheila's age is two years more than twice Nicole's age. The sum of their ages is the same as Steven's age. If Steven's age is ten years less than five times Nicole's age, ,find the age of each. Write a verbal model!

asked by jj on October 6, 2010
93. ## Math

Hi! I know I am asking a lot since this is a huge question, but I was wondering if anyone could help or walk me through it. I totally understand if you do not want to help. But I am really confused and any help at all would be amazing. Thank you! You are

asked by Sasha on May 14, 2015
94. ## Science

The relative age of a rock is... A. It's age based on how much carbon-14 it contains. B. It's age compared with the ages of other rocks. C. Less than the age than of the fossils it contains. D. The number of years since it formed. I think it's D but my

asked by Castiel on September 14, 2016
95. ## English

He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 1-1'?)

asked by rfvv on January 31, 2013
96. ## math

Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey.results of the survey indicated that 8 students own a cat, 15 students own a dog and five students owned neither a cat or a dog. how many of the students surveyed owned

asked by cynthia on March 13, 2015

Which of the following is not considered part of the "golden age" of microbiology? A.First artificial vaccine is developed B.Gram stain is devised C, Viruses are defined D.all of the above Please do not guess I chose C but i think it was wrong

asked by Katherine on January 9, 2018

I really need help with a survey! I am doing a survey for a school project and I need some people to help. The survey's about food for breakfast. Which food do you prefer to eat at breakfast? Donuts Toast Pancakes Waffles Cereal Part 2 Which do you prefer

asked by Donuts and Milk on November 6, 2018
99. ## mathematics

age of zena will be twice the age of sele after 6 years.total number of their age is 42 now.find out the age of Sena now

asked by chidya sec school on July 12, 2015
100. ## Statistics

Can 2 X 2 between-subject ANOVA be used if participants were from the same class and all completed the same survey? For example, say the two conditions were athletic status(athlete vs non-athlete) and parent status (parent or not a parent) and all

asked by 2-way ANOVA on April 29, 2017