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 three decimal places as needed.) O A. z< O B. z> O C. z< or z> Calculate the value of the test statistic. (Round to two decimal places as needed.) the null hypothesis. There is V evidence to conclude that the mean of population 1 is less Since the test statistic in the rejection region, than the mean of population 2.

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Make sure to do the rounding and double check the answers please.

Given the null and alternative hypotheses, sample
means, sample sizes, and population standard
deviations shown to the right, conduct a hypothesis HA: H1- H2< 0
test using an alpha level equal to 0.05.
X1 = 130 x2 = 136
02 = 12
Ho: H1- H220
o1 = 16
n1 = 60
n2 = 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 three decimal places as needed.)
O A. z<
O B. z>
O C. z<
or z>
Calculate the value of the test statistic.
(Round to two decimal places as needed.)
Since the test statistic
V in the rejection region,
the null hypothesis. There is
evidence to conclude that the mean of population 1 is less
than the mean of population 2.
Transcribed Image Text:Given the null and alternative hypotheses, sample means, sample sizes, and population standard deviations shown to the right, conduct a hypothesis HA: H1- H2< 0 test using an alpha level equal to 0.05. X1 = 130 x2 = 136 02 = 12 Ho: H1- H220 o1 = 16 n1 = 60 n2 = 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 three decimal places as needed.) O A. z< O B. z> O C. z< or z> Calculate the value of the test statistic. (Round to two decimal places as needed.) Since the test statistic V in the rejection region, the null hypothesis. There is evidence to conclude that the mean of population 1 is less than the mean of population 2.
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