Wednesday

August 20, 2014

August 20, 2014

Number of results: 54,288

**statistics**

Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
*May 18, 2010 by cortez*

**m/c**

Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
*May 20, 2010 by Thara!*

**Statistics**

Can someone please give specific examples of how psychologists use statistics
*June 26, 2011 by Carla*

**Statistics**

Please answer yes or no to the following question for my statistics project: Are you in favor of welfare for those in need?
*May 16, 2014 by Emma*

**statistics**

Can someone please help me understand how confidence intervals fit within the broader context of inferential statistics
*May 29, 2014 by patiance*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*November 29, 2011 by shirley*

**Statistics**

I'm looking for some help with my statistics homework...I'm good with the basics, but I really bombed on my last class anyone??? To help you, we need to know specifically what problems you have. Please repost with specific problems. I hope this helps a little. Thanks for asking.
*July 13, 2006 by Robert*

**statistics**

True Or False Using the average score to describe a sample is an example of inferential statistics. By reading the definition in my book I feel as though this phrase is false. Can someone please advise on this matter?
*January 7, 2014 by Lyndyc*

**Statistics**

Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. A. 45% of the student weights are above ____ kilograms? Z=.3264=x-75.5/10.3 Now what? I am lost! Please help me! Thanks!
*February 10, 2014 by Anonymous*

**Statistics**

Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms. A. 45% of the student weights are above ____ kilograms? Z=.3264=x-75.5/10.3 Now what? I am lost! Please help me! Thanks!
*February 10, 2014 by Anonymous*

**environmental science**

Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ...
*August 27, 2009 by y912f*

**Statistics**

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
*October 11, 2010 by Kathy*

**statistics help please!**

please help!! pretty please!! i need to know how to this problem ASAP! suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling a 5 or a 1, nothing otherwise. what is your expected value?
*April 12, 2010 by anonymous*

**statistics in heath care**

What are the main differences between descriptive and inferential statistics. would this be like a example would be smoking can cause low birth weights which woud be for the women population only? just kind of cunfused with this please help?
*July 17, 2008 by jean*

**statistics anova**

a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
*February 27, 2012 by caryn*

**statistics**

I am not understanding this last portion of my statistics class. I am completely confused about critical values. Please help me. Thank you!! What critical value for z would be used to test the hypotheses: H_0:μ≥15 and H_a:μ<15, for a = 0.01 ?
*August 1, 2011 by Celest*

**Statistics**

In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" ...
*November 16, 2013 by kitty*

**writing **

Which of the following statements is not a general rule for using statistics in a classroom speech? A The more statistics the better. Use statistics sparingly Make sure information is up to date Round off long numbers.
*May 10, 2012 by Anonymous*

**statistics**

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
*June 3, 2011 by neil*

**statistics**

Using the data set below please calculate the 2;8;6;9;5 Range What would be the percentile rank of the number 6? Help please!
*October 12, 2011 by Anonymous*

**statistics**

population with a mean of 53.1 and standard deviation of 4.43 Calculate z score for xbar 49.8 from a sample of size 11 Someone please please help me!
*November 6, 2011 by amy*

**Psychology**

An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false impression of certainty and ...
*April 23, 2013 by J.J*

**statistics-PLEASE HELP quick**

I have less than 24 hours to find the binomial probability of P(20<x<23)= and P(x>23)= if n=30 p=.23 u=6.9 q=.77 and the standard deviation is 2.3 can someone please show me how to get the outcome they want?
*November 4, 2013 by Amy*

**Statistics**

A resort tracks the number of days each guest stays. They've discovered that this variable is normally distributed with a mean of 9 days and a standard deviation of 3. They would expect 10% of the guest stay longer than how many days? Please show statistics formula and ...
*January 26, 2010 by Bryant*

**STATISTICS**

A statistics practitioner formulated the following hypothesis: H0 : ¦Ě = 200 against H1 : ¦Ě < 200 and learned that x = 190 n = 9 and ¦Ň = 50. The p-value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information given My suggested ...
*April 1, 2010 by Yumna*

**statistics**

We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the probability of observing 39...
*August 8, 2010 by yamini*

**statistics for health research**

Descriptive statistics are widely used in qualitative research. When establishing if a population is normally distributed explain when the statistics of sample size, mean, mode, median, skewness and kurtosis will guide the researcher to make conclusions of a normal distribution.
*June 16, 2014 by maureen*

**Statistics**

1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" Is the statement descriptive statistics or inferential statistics? b) "58 percent of the people in NYC do not have type O+ blood" Is the statement ...
*November 16, 2013 by kitty*

**statistics**

The following list is a sampling of the costs of various statistics textbooks used at several colleges. Give the upper confidence limit for a 95% confidence interval estimate for the mean cost of all statistics textbooks. 109.95; 92.00; 96.70; 84.85; 92.60; 84.45; 90.95; 77.00...
*July 31, 2014 by martha*

**statistics page on jiskha**

Does anyone find the picture as funny as I do? http://www.jiskha.com/math/statistics/ It's a baby holding a statistics textbook.
*September 9, 2008 by Leo*

**Statistics**

Of 500 randomly selected people in new york city, 210 people had O+ blood. "58 percent of the people in NYC do not have type O+ blood" Is the statement descriptive statistics or inferential statistics?
*November 17, 2013 by kitty*

**statistics please help**

A student measures three lengths a, b and c in cm and a time t in seconds: a = 40 ± 5 b = 30 ± 3 c = 20 ± 1 t = 1.2 ± 0.1 What is a+b a+b+c a/t (a+c)/t Calculate (1.23 ± 0.03) + pi Question 9.4. Calculate (1.23 ± 0.03) × pi Can you do a sample calculation of each of those ...
*October 19, 2008 by Sam*

**To: Ms. Sue**

Ms. Sue I need statistics on Sav. Syn. I tried looking on the internet for them everywhere, but there is nothing there. Could you please give me a list of sites for them. I want charts on them, please and thank you :-)
*March 2, 2010 by Sara*

**Statistics**

3. A professor is interested in whether there is a difference in counseling students’ statistics competency scores among 1) those who have never taken any statistics course, 2) those who have only taken an undergraduate statistics course, 3) those who have taken COUN 503, and ...
*December 9, 2012 by Ke Ke*

**Statistics Hypothsis testing**

Am I using the 2-sample T test or ANOVA? Please show all steps. test the claim that μ1 = μ2 Two samples are randomly selected from normal populations. The sample statistics are n1=11,x(bar)=4.8, s1=.76 n2=18, x(bar)=5.2, s2=.51 Assume that σ1 ≠ σ2 - ...
*August 20, 2009 by Jen*

**statistics**

if xy=7 and x-y=5, what are the values of x and y? please help me!!!
*October 2, 2008 by Alyssa*

**Debatind/ Sose**

please I really need statistics and exact examples for my debate. I can not go up there and say many people think we are too americanized. We won't win. Please give me some stats. and eg. on the topic "that australia is becoming too american" Thanks Minerva
*April 18, 2008 by Minerva*

**statistics**

12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...
*February 26, 2012 by tim*

**Data analysis and statistics**

I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
*April 13, 2008 by Theresa*

**Data analysis and statistics**

I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
*April 13, 2008 by Theresa*

**statistics**

why is the 4% important to the CI? Please give an example.
*May 29, 2010 by cortez*

**psychological statistics**

can someone please respond
*November 19, 2012 by carla*

**Statistics**

test the claim that μ1 = μ2 Two samples are randomly selected from normal populations. The sample statistics are n1=11,x(bar)=4.8, s1=.76 n2=18, x(bar)=5.2, s2=.51 Assume that σ1 ≠ σ2 Use alpha = .02 I am not sure if this is a 2-sample t test or do I ...
*August 20, 2009 by Jen*

**MATH**

Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...
*September 24, 2011 by Shelly*

**statistics**

sample- a recent study reports that older adults who got regular physical exercise experienced fewer symptoms of depression, even when tested 2 years late. regular excersize scores= 1,3,4,3,5,2,3,4 no regular excersize scores=5,4,6,3,5,7,6,6 a)calculate the mean and the ...
*January 30, 2008 by Byron*

**Statistics**

Use a x squared-test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15
*December 26, 2007 by Brandon*

**Statistics**

Use a chi-squared test to test the claim about the population variance or standard deviation at the given level of significance and using the given sample statistics. Claim: ơ2 ≤ 60; α = 0.025. Sample statistics: s2 = 72.7, n = 15
*December 27, 2007 by Brandon*

**Intro to Healthcare Statistics**

Discuss how statistics are generated and how statistical information is used by healthcare organizations. Explore the NC State Center for Health Statistics at the following website and discuss at least two types of statistic health information that NC collects.
*August 25, 2013 by tammy*

**statistics health care**

Why are measures of central tendency essential to descriptive statistics?
*November 9, 2008 by marsh*

**statistics**

The mean annual income of employees who took a statistics course is greater than $60,000.
*December 12, 2012 by john*

**english**

please give me an oratorical piece about statistics..
*August 22, 2010 by roxan*

**Statistics**

can someone give me the formula of standard deviation?Please! Thanks!
*February 25, 2012 by pallavi*

**statistics in health care**

Why are measures of variability essential to inferential statistics?
*July 26, 2008 by jean*

**statistics**

What does the word "typical" have to do in relation to statistics? Is it the same as mode?
*October 22, 2009 by mike*

**Statistics**

Construct a descriptive statistics for 100 employees using intervals of 0-4, 4-8, 8-12, 12-16, 16-20.
*January 26, 2010 by Bryant*

**Statistics**

Two ways in which practical statistics outweighs statistical significance?
*November 22, 2010 by Chrissy*

** Business Statistics**

I looking for statistics practice exercise solution from chapter 12 by Roanld Weiers
*August 9, 2009 by Heidy*

**Statistics**

On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on 1/14/20xx, two on 1/21/20xx, and six on 1/28/20xx. a) "City Hospital averaged four herion overdoses in their ER for the last three Firday evenings" Is the statement ...
*November 16, 2013 by kitty*

**statistics**

the mean IQ of statistics teachers is greater than 110. write the existing state and alternative hypotheses.
*July 5, 2012 by jeff*

**statistics**

the average score on the statistics quiz was a 70, and there was a standard deviation of 10 points. If the z-socre was -1.0 what is the percentile rank?
*March 2, 2014 by kim*

**statistics in automotive**

what type of statistics are used in manufacture company's
*August 6, 2008 by AJ*

**statistics**

What is a great topic to do a research paper on and apply statistics?
*October 5, 2009 by stat*

**statistics**

I've got to do a project in my math statistics unit. Surveying people on a resturant. How do I do a draft on poster paper?
*May 17, 2011 by Hunter*

**Statistics**

8.Using the following statistics to describe a distribution of data, what is the interquartile range? Minimum = 13 Q1 = 25 Median = 54 Q3 = 72 Maximum = 98 25. 12. 85. 47.
*March 27, 2014 by Shawn*

**Statistics**

Help please... What are some reason for conducting an experiment with two factors?
*March 7, 2014 by joy*

**Statistics**

To do inferential procedures comparing two proportions, we need another variance formula (our ruler). This formula is based on what principle? A) The variance of the difference of two statistics is the difference of the variances of each statistic. B) The variance of the ...
*November 15, 2013 by Katie*

**statistics**

In a statistics class of 45 students, 12 have a strong intrest in statistics. If two students are selected at random from this class, what is the propability that both of them have a strong interest in statisitcs?
*March 31, 2014 by ashley *

**statistics**

i am working out of the statistics in action text book and i need help with chapter 9 e39-e47 odds i do not understand it
*May 13, 2009 by kolbey*

**Statistics**

Is the following classified as interval, ordinal or nominal data? The marks achieved by the students in a statistics course out of 100.
*September 29, 2010 by Rhea*

**statistics**

what are the variables of statistics according to functional relatipnships?
*June 25, 2008 by rhea*

**statistics**

why are measures of variability essential to inferential statistics
*September 29, 2009 by bernice*

**Statistics**

What is the Central Limit Theorem and how can it be used in statistics?
*October 14, 2009 by Martin*

**statistics**

Why are measures of variability essential to inferential statistics?
*May 17, 2010 by Rebecca*

**statistics**

Why are measures of variability essential to inferential statistics?
*June 28, 2010 by Jill*

**statistics**

this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
*February 10, 2013 by Cyn*

**Grammar (Ms. Sue)**

Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages REPRESENT statistics...
*March 27, 2013 by Anonymous*

**statistics**

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. What is the percentile rank of a score of 89?
*July 7, 2011 by Anonymous*

**statistics**

I need to post some thought on using either the multiplication rule or probability to answer a question on my online statistics.
*July 10, 2011 by keri*

**Statistics**

Formula used to calculate confidence interval..please give example. Thanks
*January 26, 2010 by Bryant*

**Statistics**

How can I calcualate the probability of a normal distribution. Please present formula and an example. Thanks.
*January 26, 2010 by Bryant*

**statistics**

poisson distribution: please show and solve. # of purchases in the next 24 hours.
*November 17, 2011 by lani*

**Statistics**

2. Obtain and interpret descriptive statistics (Mean, Median, Variance, and Std. Dev.). Include the STATA outputs in your results. (Use Stat command “tabstat crimerat police59, statistics(mean, p50, var, sd)” (3 pts) . tabstat crimerat police59,statistics (mean, p50, var, sd) ...
*November 8, 2011 by Mikey*

**Please Help AP Statistics?!?!?**

Please Help On this AP Statistics Problem!?!?!? Thanks Commercials Suppose that a commercial is run once on television, once on the radio, and once in a newspaper. The advertising agency believes that any potential consumer has a 20% chance of seeing the add on television, a ...
*March 24, 2008 by Lyndsey Horton*

**statistics**

Can someone tell me how to run data in Megastat on attribute values. I have an assignment and I need to get descriptive statistics on education levels
*October 1, 2008 by Madison*

**Criminal Justice**

What are the possible causes of the large disparity between official sources of crime statistics and the results of these other statistics projects?
*October 6, 2008 by Bridgett*

**statistics**

I need a good research question for my statistics project. I have to compare two to calculate the difference. variance/standard deviation etc.
*April 19, 2011 by Kimberly*

**statistics**

Suppose the following summary statistics are obtained from a large group of individuals:X =52.0, Sx= 8.7, Y =147.3, Sy = 16.9. Dorothy receives an Xscore of 52. What is her predicted Y score if r = o?
*July 27, 2011 by Tina*

**Statistics**

Formula used to easily calcuate sample size. Please give example.
*January 26, 2010 by Bryant*

**statistics**

consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
*March 11, 2009 by Angela*

**statistics**

consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
*March 11, 2009 by Angela*

**statistics**

Using the descriptive statistics for the weight of the babies in ounces suppose a friend of yours has given birth to a 10 pound 3 ounce baby. Is this unusual? why or why not?
*January 28, 2014 by Anonymous*

**statistics**

in statistics, if they say at least 5, than it means that it's x<5 or x>5?
*January 19, 2009 by Anonymous*

**Statistics**

Is anyone really good at research statistics?
*February 26, 2010 by Sarah*

**statistics**

what is the 4σ rule of thumb in statistics
*January 25, 2011 by noel*

**eth. help please**

Ms. Sue please send me some informations that will help me answer those two questions. What do these statistics reveal about Asian diversity in America? What do you believe is the future of Asian diversity in America? Thanks.
*August 1, 2008 by rose (Ms. sue)*

**Statistics & Probability**

If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 , then what is the standard deviation of X? Select one: a. 3.00 b. 6.25 c. 2.50 d. 1.25 Please note that the answer for the above is stated as c.2.50. However, my answer ...
*January 4, 2013 by Alia*

**business**

Prepare a 700- to 1,050-word paper in which you describe the use of statistics within your workplace or a company with which you are familiar. Address the following questions in your paper: • How are statistics used in your workplace? • What is one example of descriptive ...
*June 5, 2011 by angela*

**statistics**

Can you show to me sample of Sales and seven year moving average. please give the step. Thank you
*August 19, 2009 by Danny*

**Statistics/Math- Please Help**

When comparing two independent population means, how do I find the degree of freedoms?
*November 15, 2010 by jane*

**statistics**

What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why
*September 16, 2011 by denise*

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