Question

The prices of a random sample of 24 new motorcycles have a sample standard deviation of...

The prices of a random sample of 24 new motorcycles have a sample standard deviation of $3738.

Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance

sigma squaredσ2 and the population standard deviation sigmaσ. Use a 99% level of confidence. Interpret the results.

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
The prices of a random sample of 24 new motorcycles have a sample standard deviation of...
The prices of a random sample of 24 new motorcycles have a sample standard deviation of $3656. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance  2 and the population standard deviation . Use a 99% level of confidence. Interpret the results. What is the confidence interval for the population variance  2 ? (____,____) (Round to the nearest integer as needed.) Interpret the results. Select the correct choice below and...
The waiting times​ (in minutes) of a random sample of 22 people at a bank have...
The waiting times​ (in minutes) of a random sample of 22 people at a bank have a sample standard deviation of 4.2 minutes. Construct a confidence interval for the population variance sigma squaredσ2 and the population standard deviation sigmaσ. Use a 90% level of confidence. Assume the sample is from a normally distributed population.
The annual earnings of 13 randomly selected computer software engineers have a sample standard deviation of...
The annual earnings of 13 randomly selected computer software engineers have a sample standard deviation of $ 3660. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance sigma squared and the population standard deviation sigma. Use a 90 % level of confidence. Interpret the results.
The waiting times​ (in minutes) of a random sample of 2020 people at a bank have...
The waiting times​ (in minutes) of a random sample of 2020 people at a bank have a sample standard deviation of 4.64.6 minutes. Construct a confidence interval for the population variance sigma squaredσ2 and the population standard deviation sigmaσ. Use a 95 %95% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance sigma squaredσ2​? ​(nothing​,nothing​) ​(Round to one decimal place as​ needed.) Interpret the results. Select the correct...
in a random sample of 24 people, the mean commute time to work was 33.7 minutes...
in a random sample of 24 people, the mean commute time to work was 33.7 minutes and the standard deviation was 7.1 minuets . assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean. what is the margin of error of the mean? interpret the results.
Assume that the heights of female executives are normally distributed. A random sample of 20 female...
Assume that the heights of female executives are normally distributed. A random sample of 20 female executives have a mean height of 62.5 inches and a standard deviation of 1.71.7 inches. Construct a​ 98% confidence interval for the population​ variance, sigma squaredσ2. Round to the nearest thousandth.
Construct a​ 95% confidence interval for the population standard deviation sigmaσ of a random sample of...
Construct a​ 95% confidence interval for the population standard deviation sigmaσ of a random sample of 15 crates which have a mean weight of 165.2 pounds and a standard deviation of 10.7 pounds. Round to the nearest thousandth. Assume the population is normally distributed.
The waiting times​ (in minutes) of a random sample of 21 people at a bank have...
The waiting times​ (in minutes) of a random sample of 21 people at a bank have a sample standard deviation of 4.7 minutes. Construct a confidence interval for the population variance σ2 and the population standard deviation σ  Use a 99% level of confidence. Assume the sample is from a normally distributed population. What is the confidence interval for the population variance σ2​? (__,__)  ​(Round to one decimal place as​ needed.) What is the confidence interval for the population standard deviation σ​?...
The annual earnings of 14 randomly selected computer software engineers have a sample standard deviation of...
The annual earnings of 14 randomly selected computer software engineers have a sample standard deviation of $3668. Assume the sample is from a normally distributed population. Construct a confidence interval for the population variance sigma squared σ2 and the population standard deviation σ. Use a 95% level of confidence. Interpret the results. 1. What is the confidence interval for the population variance σ2​? (____,___) 2. Interpret the results. Select the correct choice below and fill in the answer​ box(es) to...
The waiting times​ (in minutes) of a random sample of 20 people at a bank have...
The waiting times​ (in minutes) of a random sample of 20 people at a bank have a sample standard deviation of 4.1 minutes. Construct a confidence interval for the population variance and the population standard deviation . Use a 90% level of confidence. Assume the sample is from a normally distributed population.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT