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Mathematics and Statistics
Page 8
Questions (429)
In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer
3 answers
asked by
Asante john
537 views
Is the following a statistical question?
How tall are the students in your class? Yes No
1 answer
asked by
BOThelper
18 views
A county planner prepares the following table showing population trends in three local
towns. The first column gives the name of
6 answers
asked by
Kanna
77 views
1. You want to deliver an article with the most impact and easy reading to the readers; you decide that you need to present the
3 answers
asked by
Han
494 views
What was the percent increase in the population in South America from 1900 to 2000?
1900 - 38,000,000 1950 - 111,000,000 2000 -
3 answers
asked by
greatdanelola
519 views
Jorge finds that his standardized z score on an IQ is 2.0. What percentage of people did he score higher than?
a. 98 b. 96 c. 68
2 answers
asked by
Katie
495 views
What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a
1 answer
asked by
paige
493 views
Business and finance. The following scores were recorded on a 200-point final examination:193, 185, 163, 186, 192, 135, 158,
1 answer
asked by
carmen
506 views
Use the following information regarding the farm population(in millions of persons)from 1945 to 1990.
Year 1945(24.3 millions of
3 answers
asked by
Gien
486 views
A popular search engine is targeting European countries where the number of online households is expected to grow at a steady
1 answer
asked by
Deeno
504 views
The production of ages at inauguration of all U.S. Presidents who had professions in the military is 62, 46, 68, 64, 57. Why
2 answers
asked by
Andrea
484 views
I am having a hard time understanding the difference between discrete and continuous data...i have read the textbook definition
2 answers
asked by
Dawn
492 views
Hi all i have this assignment,please help me :D
. . . . . 1.The following table presents the monthly consumption (C) and income
5 answers
asked by
hani
497 views
In Exercises 1–6, describe the misuse or misinterpretation of
statistics that may be involved: Over 60% of the people who fly
3 answers
asked by
Anonymous
480 views
1. In a certain country, the percentage of the population relocating to a new town is given by the following function:
p(t) =
1 answer
asked by
Wiz
473 views
to calculate the total number of students registered for class.Write an algorithm in steps in plain English class and to
1 answer
asked by
kamal
465 views
If you are told the mean grade in ECON 2023 is 80 with a standard deviation of 5, what is the probability that if you randomly
1 answer
asked by
Colby
459 views
The control score of the 47.26 on the pretest put it at the 26th percentile.Does this percentile score represent
1 answer
asked by
Bilal
461 views
I need assistance in calculating the mean and standard deviation from data collected using 2 surveys, strongly agree, agree,
1 answer
asked by
Shavon
460 views
SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are
1 answer
asked by
Anonymous
458 views
Hi, one Professor gave me a very hard question, He has a little Disk (used in machines) that has a big hole in the middle, he
3 answers
asked by
Alessio
454 views
Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17.
1 answer
asked by
Chris
454 views
An actuary at an insurance company estimates from exsiting data that on a $1000 policy an average 1 and 100 policyholders will
1 answer
asked by
Melissa
456 views
I am working on a regression model , if my residuals don't exceed 0.6 does that mean this model is OK for my data?,
1 answer
asked by
Michelle♡♡
439 views
Sunny works as an assistant to a real estate agent. she prepares a price comparison for a client thinking of selling a house.
1 answer
asked by
anonymous
442 views
my z score for a rats liver glycogen percentage is -0.62 and the average population is 3.32. How can I analyze my z score? what
1 answer
asked by
shiva
449 views
Using the Borda Count Method, find the winner of the election
A has 3106 votes B has 3134 votes C has 2816 votes D has 3024 votes
1 answer
asked by
Meredith
447 views
There are 600 old-growth trees in a forested area measuring 100 acres. A biologist calculates a unit rate based on the data that
1 answer
asked by
Sergio
34 views
An analyst collects data on the weekly closing price of gold throughout a year. The scale of this data is __________
1 answer
asked anonymously
39 views
The graph below represents the total number of smartphones that are shipped to a retail store over the course of 50 days.
Match
1 answer
asked by
Demon
33 views
In a relationship between variables, what is the variable called that changes in response to another variable?
1 answer
asked anonymously
34 views
Determined which of the four leaves of measurement ( nominal,ordinal,interval,ratio) is most appropriate. Monthly rainfall: 3.4
1 answer
asked by
Sarah
25 views
A summer camp hosts 500 campers. A random survey of 50 campers was conducted to determine which activity was their favorite. The
1 answer
asked anonymously
50 views
You measure 21 randomly selected textbooks' weights, and find they have a mean weight of 61 ounces. Assume the population
1 answer
asked anonymously
33 views
A new cruise ship line has launched 3 new ship: the pacific, the Caribbean and the island. The Caribbean has 37 more deluxe
1 answer
asked by
mark
455 views
On a bar graph the average cost of renting a studio in one city in years 1994 through 1998.
The graph goes from 0 to 600. Year 94
1 answer
asked by
m
442 views
A group of students was surveyed about their favorite vegetable Green beans were chosen by 0.35 of the students, broccoli was
1 answer
asked anonymously
43 views
the scores on a psychology exam were normally distributed with a mean of 61 and a standard deviation of 8. A failing grade on
1 answer
asked anonymously
45 views
Use the average growth rate between 1970 and 2000, which was about 0.5%, to find the approximate doubling time and to predict
1 answer
asked anonymously
44 views
Which of the following examples represents a discrete data constraint with viable solutions?(1 point)
Responses average score on
1 answer
asked by
taylor swift
52 views
Brandon is a quality control manager for a toy manufacturing plant. Each week, he randomly selects 30 toys at random and counts
1 answer
asked by
optional
38 views
Suppose at a juice manufacturing plant that the volume of juice dispensed into 220 mL
containers is normally distributed with a
1 answer
asked by
optional
40 views
A speedreader can read 75 words in 1/4 of a minute. How many words can they read per minute? Which expression will determine the
1 answer
asked anonymously
47 views
The box plot summarizes the ages of people in line at a store
1 answer
asked anonymously
19 views
create a function of hours of sunlight (h) vs day of the year (d)
where the day is 182 with 18 hours of sunlight and day 350 with
1 answer
asked by
tt
15 views
there are 10 marked whales
there are 89 whales counted and 8 marked whales counted what would be the best estimate for the
1 answer
asked anonymously
11 views
The ratio of students who play musical instruments to students who play sports is 3:30 if the there are 40 students who plays
1 answer
asked anonymously
27 views
The graph below represents the total number of smartphones that are shipped to a retail store over the course of 50 days.
Match
1 answer
asked anonymously
16 views
The scatter plot shows the relationship between combined SAT score and first semester college GPA. Which statements are correct?
1 answer
asked anonymously
25 views
A teacher collected data to see if there was a relationship between how a student performed on a test and how long the student
1 answer
asked anonymously
21 views
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