Question

when we sample from an infinite population what happens to the standard error of the mean...

when we sample from an infinite population what happens to the standard error of the mean if the sample is a) increased from 3 to 27; b) decreased from 27 to 3; c) increased from 27 to 243; d) decreased from 243 to 27?

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
15. Random samples of size 81 are taken from an infinite population whose mean and standard...
15. Random samples of size 81 are taken from an infinite population whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are (assuming infinite population) a. 200 and 18 b. 81 and 18 c. 9 and 2 d. 200 and 2 16. A population has a mean of 300 and a standard deviation of 18. A sample of 144 observations will be taken....
1.when the sample mean is close to the population mean , the sampling error is a....
1.when the sample mean is close to the population mean , the sampling error is a. larger b. smaller c. equals to 1 d. none of the above is correct 2. when the sample size increases, the dispersion among the sample means a. increases b. decreases c. remain the same d. depends upon the specific population being sampled
3. Examine the following equation for the margin of error when estimating the Population Mean. (...
3. Examine the following equation for the margin of error when estimating the Population Mean. ( does it increase or decrease?) Indicate the effects of Margin of error resulting from: a. Standard error b. Sample size c. Confidence level d. Standard deviation
What happens when we do not know the standard deviation of a population? What is the...
What happens when we do not know the standard deviation of a population? What is the impact on the formula? why?
The width of a confidence interval estimate for a population mean when the population standard deviation...
The width of a confidence interval estimate for a population mean when the population standard deviation is known will (A)   become narrower if the size of the sample being used is increased and the confidence level is unchanged. (B)    not change if only the sample size is increased. (C)    become wider if the sample size remains the same and the confidence level decreases. (D)   become narrower if the size of the sample is decreased and the confidence level is unchanged....
A simple random sample with n=50provided a sample mean of 23.5 and a sample standard deviation...
A simple random sample with n=50provided a sample mean of 23.5 and a sample standard deviation of 4.3 a. Develop a 90% confidence interval for the population mean (to 1 decimal).   ,   b. Develop a 95% confidence interval for the population mean (to 1 decimal).   ,   c. Develop a 99% confidence interval for the population mean (to 1 decimal).   ,   d. What happens to the margin of error and the confidence interval as the confidence level is increased?
A simple random sample with n=56 provided a sample mean of 23.5 and a sample standard...
A simple random sample with n=56 provided a sample mean of 23.5 and a sample standard deviation of 4.5. a. Develop a 90% confidence interval for the population mean (to 1 decimal). (_____, ______) b. Develop a 95% confidence interval for the population mean (to 1 decimal). (_____, ______) c. Develop a 99% confidence interval for the population mean (to 1 decimal). (_____, ______) d. What happens to the margin of error and the confidence interval as the confidence level...
A simple random sample with N=52 provided a sample mean of 21.0 and a sample standard...
A simple random sample with N=52 provided a sample mean of 21.0 and a sample standard deviation of 4.4. a. Develop a 90% confidence interval for the population mean (to 1 decimal). (________, _________) b. Develop a 95% confidence interval for the population mean (to 1 decimal). (________, _________) c. Develop a 99% confidence interval for the population mean (to 1 decimal). (________, _________) d. What happens to the margin of error and the confidence interval as the confidence level...
A simple random sample with n=54 provided a sample mean of 24.0 and a sample standard...
A simple random sample with n=54 provided a sample mean of 24.0 and a sample standard deviation of 4.3. a. Develop a confidence interval for the population mean (to 1 decimal). , b. Develop a confidence interval for the population mean (to 1 decimal). , c. Develop a confidence interval for the population mean (to 1 decimal). , d. What happens to the margin of error and the confidence interval as the confidence level is increased? - Select your answer...
A simple random sample with n=50 provided a sample mean of 22.5 and a sample standard...
A simple random sample with n=50 provided a sample mean of 22.5 and a sample standard deviation of 4.2 . a. Develop a 90% confidence interval for the population mean (to 1 decimal). ( , ) b. Develop a 95% confidence interval for the population mean (to 1 decimal). ( , ) c. Develop a 99% confidence interval for the population mean (to 1 decimal). ( , ) d. What happens to the margin of error and the confidence interval...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT