menu
bartleby
search
close search
Hit Return to see all results

19. Pupils Per Teacher The following frequency distribu23. Ftion shows the average number of pupils per teacherthe 50 states of the United States. Find the variancestandard deviation for the data.andClass limitsFrequency9-1112-1415-1718-2021-2324-26201850

Question
19. Pupils Per Teacher The following frequency distribu
23. F
tion shows the average number of pupils per teacher
the 50 states of the United States. Find the variance
standard deviation for the data.
and
Class limits
Frequency
9-11
12-14
15-17
18-20
21-23
24-26
20
18
50
help_outline

Image Transcriptionclose

19. Pupils Per Teacher The following frequency distribu 23. F tion shows the average number of pupils per teacher the 50 states of the United States. Find the variance standard deviation for the data. and Class limits Frequency 9-11 12-14 15-17 18-20 21-23 24-26 20 18 50

fullscreen
check_circleAnswer
Step 1

Given:

fullscreen
Step 2

Known Facts:

fullscreen
Step 3

Find the required values to find the variance...

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in

Math

Statistics

Related Statistics Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: Find the critical value zc necessary to form a confidence interval at the level of confidence shown ...

A: It is required to find the z-critical value to form a 95% confidence interval. The critical value us...

question_answer

Q: A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime...

A: Test statistic calculation:In this context, a police officer claimed that the proportion of accident...

question_answer

Q: 15.) The age in years of 11 children and the number of words in their vocabulary is given below:    ...

A: The equation of the regression line is:

question_answer

Q: The point on a normal distribution (mean equals 6 and standard deviation equals 9) that is greater t...

A: The given information is that the scores distributed normally with mean 6 and standard deviation 9.F...

question_answer

Q: I need help with understanding standard deviation.  How to calculate it from the mean?

A: The standard deviation describes the spread of the data distribution from the mean of the given data...

question_answer

Q: An experiment conducted by a scientist uses 2 tablets of Aspirin per day to see the blood thinning i...

A: Controlled variables:In an experiment, a controlled variable is a variable or characteristic of the ...

question_answer

Q: Linear Programming Problem A manufacturer of three models of tote bag must determine the production ...

A: This can be solved using Solver tool in Excel. Go to Data tab in Excel and check if you see Solver u...

question_answer

Q: a. Which of the six correlations above are statistically significant (i) if you test each correlatio...

A: We have been given alpha  = 0.05 which implies that the probability of inferring that there is a cor...

question_answer

Q: A random sample of 30 binomial trials resulted in 12 success. Test the claim that the population por...

A: Hey, since there is multiple subpart questions posted, we will answer first three subparts. If you w...

Sorry about that. What wasn’t helpful?