Question

From a normal population, Dr. Çetin takes a sample of 235. The population standard deviation is...

From a normal population, Dr. Çetin takes a sample of 235. The population standard deviation is 24, and the sample mean is 17.

a.Determine the standard error of the mean. (Round your answer to 3 decimal places.)

Standard error of the mean: ……?

b. Determine the 95% confidence interval for the population mean. (In your calculations: round your z/t value to 2 decimals, but round all other values to 3 decimals. Round your final answer to 3 decimal places.)

Confidence interval ……? and ……?

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
2. From a normal population, a sample of 245 observations is selected. The population standard deviation...
2. From a normal population, a sample of 245 observations is selected. The population standard deviation is 28, and the sample mean is 17. a. Determine the standard error of the mean. (Round your answer to 3 decimal places.) STANDART ERROR OF THE MEAN: …..? b. Determine the 95% confidence interval for the population mean. (In your calculations: round your z/t value to 2 decimals, but round all other values to 3 decimals. Round your final answer to 3 decimal...
From a normal population, a sample of 230 observations is selected. The population standard deviation is...
From a normal population, a sample of 230 observations is selected. The population standard deviation is 26, and the sample mean is 18. a. Determine the standard error of the mean. (Round your answer to 3 decimal places.) b. Determine the 99% confidence interval for the population mean. (In your calculations: round your z/t value to 2 decimals, but round all other values to 3 decimals. Round your final answer to 3 decimal places.)
A sample of 235 observations is selected from a normal population with a population standard deviation...
A sample of 235 observations is selected from a normal population with a population standard deviation of 25. The sample mean is 20. Determine the standard error of the mean. (Round your answer to 3 decimal places.) Determine the 90% confidence interval for the population mean. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
A sample of 25 observations is selected from a normal population where the population standard deviation...
A sample of 25 observations is selected from a normal population where the population standard deviation is 32. The sample mean is 77.   a. Determine the standard error of the mean. (Round the final answer to 3 decimal places.) The standard error of the mean is . b. Determine the 95% confidence interval for the population mean. (Round the z-value to 2 decimal places. Round the final answers to 3 decimal places.) The 95% confidence interval for the population mean...
A sample of 28 observations is selected from a normal population where the sample standard deviation...
A sample of 28 observations is selected from a normal population where the sample standard deviation is 5.00. The sample mean is 16.95.   a. Determine the standard error of the mean. (Round the final answer to 2 decimal places.) The standard error of the mean is. b. Determine the 95% confidence interval for the population mean. (Round the t-value to 3 decimal places. Round the final answers to 3 decimal places.) The 95% confidence interval for the population mean is...
A sample of 25 observations is selected from a normal population where the sample standard deviation...
A sample of 25 observations is selected from a normal population where the sample standard deviation is 4.85. The sample mean is 16.80.   a. Determine the standard error of the mean. (Round the final answer to 2 decimal places.) The standard error of the mean is            . b. Determine the 95% confidence interval for the population mean. (Round the t-value to 3 decimal places. Round the final answers to 3 decimal places.) The 95% confidence interval for the population...
A sample of 40 observations is selected from a normal population where the population standard deviation...
A sample of 40 observations is selected from a normal population where the population standard deviation is 25. The sample mean is 75. a. Determine the standard error of the mean. (Round the final answer to 3 decimal places.) The standard error of the mean is  . b. Determine the 90% confidence interval for the population mean. (Round the z-value to 2 decimal places. Round the final answers to 3 decimal places.) The 90% confidence interval for the population mean is...
A sample of 29 observations is selected from a normal population where the population standard deviation...
A sample of 29 observations is selected from a normal population where the population standard deviation is 40. The sample mean is 89.   a. Determine the standard error of the mean. (Round the final answer to 3 decimal places.) The standard error of the mean is  . b. Determine the 98% confidence interval for the population mean. (Round the z-value to 2 decimal places. Round the final answers to 3 decimal places.) The 98% confidence interval for the population mean is...
A sample of 250 observations is selected from a normal population with a population standard deviation...
A sample of 250 observations is selected from a normal population with a population standard deviation of 23. The sample mean is 18. Determine the standard error of the mean. (Round your answer to 3 decimal places.) Determine the 99% confidence interval for the population mean. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
A sample of 245 observations is selected from a normal population with a population standard deviation...
A sample of 245 observations is selected from a normal population with a population standard deviation of 25. The sample mean is 20. Determine the standard error of the mean. (Round your answer to 3 decimal places.) Determine the 90% confidence interval for the population mean. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT