You wish to test the claim that ps 27 at a level of significance of a0.01 and are given sample statistics n 40 and x 28.8. Assume the population standard devialion is 4.3. Compute the value of the standardized test statistic. Round your answer to two decimal places. O A. 3.51 OB. 2.12 OC. 2.65 OD. 1.96

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ul T-Mobile Wi-Fi
11:22 PM
© 63% 4
You wish to test the claim that ps 27 at a level of significance of a -0.01 and are given sample statistics n 40 and x 28.8. Assume the population standard deviation is
4.3. Compute the value of the standardized test statistic. Round your answer to two decimal places.
O A. 3.51
ОВ. 2.12
Ос. 2.65
OD. 1.96
Click to select your answer.
* A S 0 d9
be here to search
Transcribed Image Text:ul T-Mobile Wi-Fi 11:22 PM © 63% 4 You wish to test the claim that ps 27 at a level of significance of a -0.01 and are given sample statistics n 40 and x 28.8. Assume the population standard deviation is 4.3. Compute the value of the standardized test statistic. Round your answer to two decimal places. O A. 3.51 ОВ. 2.12 Ос. 2.65 OD. 1.96 Click to select your answer. * A S 0 d9 be here to search
ul T-Mobile Wi-Fi
11:26 PM
© 64% 4
Find the critical value and rejection region for the type of t-test with level of significance a and sample size n.
Find t
Right-tailed test, a = 0.1, n = 21
Right
O A. to = 1.323; t>1.323
O A
O B. t =2.528; t> 2.528
O B
OC. to = 1.325; t> 1.325
OD OD. to = - 1.325; t< - 1.325
Click Click to select your answer.
P Type here to search
Transcribed Image Text:ul T-Mobile Wi-Fi 11:26 PM © 64% 4 Find the critical value and rejection region for the type of t-test with level of significance a and sample size n. Find t Right-tailed test, a = 0.1, n = 21 Right O A. to = 1.323; t>1.323 O A O B. t =2.528; t> 2.528 O B OC. to = 1.325; t> 1.325 OD OD. to = - 1.325; t< - 1.325 Click Click to select your answer. P Type here to search
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