Given the null and alternative hypotheses, sample means, sample sizes, and population standard deviations shown to the right, conduct a hypothesis H, H-<0 16 test using an alpha level equal to 0.01. Ho ,-220 X, - 150 X,= 136 62 = 18 n, = 45 n2 = 65 Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your c (Round to two decimal places as needed.) O A. z< or z> O B. z> O C. z< Calculate the value of the test statistic (Round to two decimal places as needed.) Since the test statistic in the rejection region, the null hypothesis. There is evidence to conclude

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Chapter1: Starting With Matlab
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Given the null and alternative hypotheses, sample
means, sample sizes, and population standard
deviations shown to the right, conduct a hypothesis H, H.-<0 ,16
test using an alpha level equal to 0.01.
X,-150
x, - 136
Ho H,-20
0, = 18
ny = 65
n, = 45
Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. z<
or z>
O B. z>
O C. z<
Calculate the value of the test statistic.
z= (Round to two decimal places as needed.)
Vevidence
conclude that the mean of population 1 is less than the mean of population 2
Since the test statistic
V in the rejection region,
V the null hypothesis. There is
Transcribed Image Text:Given the null and alternative hypotheses, sample means, sample sizes, and population standard deviations shown to the right, conduct a hypothesis H, H.-<0 ,16 test using an alpha level equal to 0.01. X,-150 x, - 136 Ho H,-20 0, = 18 ny = 65 n, = 45 Determine the rejection region for the test statistic z. Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. z< or z> O B. z> O C. z< Calculate the value of the test statistic. z= (Round to two decimal places as needed.) Vevidence conclude that the mean of population 1 is less than the mean of population 2 Since the test statistic V in the rejection region, V the null hypothesis. There is
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