The Graduate Management Admission Test GMAT) is a test required for admission into many masters of business administration (MBA) programs. Total scores on the GMAT are normally stributed. The Graduate Management Admission Council, who administers the test, claims that the ean total score is 526. Suppose a random sample of 11 students took the test, and their scores are given below

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The Graduate Management Admission Test
(GMAT) is a test required for admission into many
masters of business administration (MBA)
programs. Total scores on the GMAT are normally
distributed. The Graduate Management Admission
Council, who administers the test, claims that the
mean total score is 526. Suppose a random sample
of 11 students took the test, and their scores are
given below
490,450 ,413,727,663,521,570,414,560,699
500
Does the sample evidence suggest the mean total
?score is different from at the level of significance
What is your decision about the null hypothesis,
?consider a = 0.05?Why
We reject the null hypothesis at a = 0.05
-fo.025 < to < to.025 significance level, because
We fail to reject the null hypothesis at a = 0.05
.-fo.025 < to < to.025 significance level, because
We fail to reject the null hypothesis at a = 0.05
--Z0.025 < zo < z0.025 significance level, because
We fail to reject the null hypothesis at a = 0.05
.-f.05 < to < to.05 significance level, because
Transcribed Image Text:The Graduate Management Admission Test (GMAT) is a test required for admission into many masters of business administration (MBA) programs. Total scores on the GMAT are normally distributed. The Graduate Management Admission Council, who administers the test, claims that the mean total score is 526. Suppose a random sample of 11 students took the test, and their scores are given below 490,450 ,413,727,663,521,570,414,560,699 500 Does the sample evidence suggest the mean total ?score is different from at the level of significance What is your decision about the null hypothesis, ?consider a = 0.05?Why We reject the null hypothesis at a = 0.05 -fo.025 < to < to.025 significance level, because We fail to reject the null hypothesis at a = 0.05 .-fo.025 < to < to.025 significance level, because We fail to reject the null hypothesis at a = 0.05 --Z0.025 < zo < z0.025 significance level, because We fail to reject the null hypothesis at a = 0.05 .-f.05 < to < to.05 significance level, because
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