Question

what Is the standard deviation for 0,0,1,2,2,2,3,3,3,4,4,4,5,5,6,6,7,7,10,11 a sample of 20 students were randomly selected and...

what Is the standard deviation for 0,0,1,2,2,2,3,3,3,4,4,4,5,5,6,6,7,7,10,11

a sample of 20 students were randomly selected and how many phone calls did you receive last night? the numbers below are their responses.

1,2,0,2,4,2,3,4,0,5,3,4,5,6,3,10,7,6,7,11

compute the standard deviation of the distribution.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A sample of 20 Ohio University students were randomly selected and asked, “How many phone calls...
A sample of 20 Ohio University students were randomly selected and asked, “How many phone calls did you receive last night?” The numbers below are their responses. 1  2  0  2  4  2  3  4  5  3  4  5  6 0  3  10  7  6  7  11 Compute the median of the distribution. a. 4 b. 5 c. 3 d. 7
a sample of 159 randomly selected students, found that the proportion of students planning to travel...
a sample of 159 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.72. What is the standard deviation of the sampling distribution? round to 3 decimal digits.
The thicknesses of 20 randomly selected linoleum tiles were found to have a standard deviation of...
The thicknesses of 20 randomly selected linoleum tiles were found to have a standard deviation of 2.66 Construct the 95% confidence interval for the population standard deviation of the thicknesses of all linoleum tiles in this factory. Round your answers to two decimal places.
A professor finds that for 16 randomly selected students the time needed to complete an assignment...
A professor finds that for 16 randomly selected students the time needed to complete an assignment had a sample mean of 64 minutes and a sample standard deviation of 20 minutes. If the time needed to complete the assignment is normally distributed, then the standard error of the mean is a. 20 b. 16 c. 5 d. 4 QUESTION 24 A professor finds that for 16 randomly selected students the time needed to complete an assignment had a sample mean...
55 randomly selected students were asked how many siblings were in their family. Let X -...
55 randomly selected students were asked how many siblings were in their family. Let X - the number of pairs of siblings in the student's family. The results are as follows: # of Siblings 0 1 2 3 4 5 Frequency 10 6 14 8 6 11 Round all your answers to one decimal place. The mean is: The median is: The sample standard deviation is: The first quartile is: The third quartile is: What percent of the respondents have...
A sample of 14 randomly selected students have a sample mean score of 27.6 with a...
A sample of 14 randomly selected students have a sample mean score of 27.6 with a sample standard deviation of 5.1 on a placement test. Construct a 95% confidence interval for the mean score, !, of all students taking the test.
3. A randomly selected sample of 14 students who stayed up all night to study for...
3. A randomly selected sample of 14 students who stayed up all night to study for an exam received an average grade of 68% with a standard deviation of 8%. Another randomly selected sample of 12 students who wrote the same exam after a good night’s sleep received an average grade of 75% with a standard deviation of 7%. At a 5% significance level, does the sample provide enough statistical evidence to support a claim that students who stay awake...
22 randomly selected students were asked the number of movies they watched the previous week. The...
22 randomly selected students were asked the number of movies they watched the previous week. The results are as follows: # of Movies 0 1 2 3 4 5 Frequency 2 3 4 3 4 6 Round all your answers to one decimal place. The mean is: The median is: The sample standard deviation is: The first quartile is: The third quartile is: What percent of the respondents watched at least 4 movies the previous week? % 23% of all...
Suppose that 20% of all college students smoke cigarettes. A sample of 12 is selected randomly....
Suppose that 20% of all college students smoke cigarettes. A sample of 12 is selected randomly. What is the probability that less than 8 students smoke? Round your answer to four decimal places.
16 students were randomly selected from a large group of students taking a certain calculus test....
16 students were randomly selected from a large group of students taking a certain calculus test. The mean score for the students in the sample was 86 and the standard deviation was 1.3. Assume that the scores are normally distributed. Construct a 98% confidence interval for the mean score, μ, of all students taking the test. Round your answer to two decimal places.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT