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Consider the following hypothesis test: Ho : μ > 20 Ha: μ < 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer - ✓ d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer - Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -

Consider the following hypothesis test: Ho : μ > 20 Ha: μ < 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer - ✓ d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer - Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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I ony need help with parts A, B, and D

The first select your answer for part D has the following options:

greater than or equal to

greater than

less than or equal to

less than

equal to

not equal to

Consider the following hypothesis test: Ho : μ > 20 Ha: :μ< 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -
Transcribed Image Text:Consider the following hypothesis test: Ho : μ > 20 Ha: :μ< 20 A sample of 40 provided a sample mean of 19.5. The population standard deviation is 1.8. a. Compute the value of the test statistic (to 2 decimals). Enter negative value as negative number. b. What is the p-value (to 4 decimals)? c. Using a = 0.05, can it be concluded that the population mean is less than 20? - Select your answer d. What is the rejection rule using the critical value? Use a = 0.05. Round your answer to three decimal places. Enter negative value as negative number. Reject Ho if z is - Select your answer Using the critical value approach, can it be concluded that the population mean is less than 20? - Select your answer -
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