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 -

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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 -

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