Ivy League schools claim that the average GPA of its graduates is 3.50. A simple random...

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Ivy League schools claim that the average GPA of its graduates is 3.50. A simple random sample of recent graduates yielded the following results. Use a 1% level of significance (X= 0.01). Descriptive Statistics N Mean SE Mean 99% CI for μ 36 3.4500 0.0333 (3.3641, 3.5359) mean of Sample Known standard deviation = 0.2 Test Null hypothesis Ho: μ = 3.5 Alternative hypothesis H₁: μ = 3.5 What is/are the critical value(s) of this test? a. Z = ± 1.645 Ob. Z=1.50 OC. Z= ± 1.50 d. Z= ±2.576 e. Z = ± 1.96 Ivy League schools claim that the average GPA of its graduates is 3.50. A simple random sample of recent graduates yielded the following results. Use a 1% level of significance (X= 0.01). Descriptive Statistics N Mean SE Mean 99% CI for μ 36 3.4500 0.0333 (3.3641, 3.5359) mean of Sample Known standard deviation = 0.2 Test Null hypothesis Ho: μ = 3.5 Alternative hypothesis H₁: μ# 3.5 What is the p-value of this test? a. 0.9332 b. 0.0334 C. 0.1336 0.0668 e. 0.8664 Ivy League schools claim that the average GPA of its graduates is 3.50. A simple random sample of recent graduates yielded the following results. Use a 1% level of significance (X= 0.01). Descriptive Statistics N Mean SE Mean 99% CI for μ 36 3.4500 0.0333 (3.3641, 3.5359) mean of Sample Known standard deviation = 0.2 Test Null hypothesis Ho: μ = 3.5 Alternative hypothesis H₁: μ = 3.5 What is/are the critical value(s) of this test? a. Z = ± 1.645 Ob. Z=1.50 OC. Z= ± 1.50 d. Z= ±2.576 e. Z = ± 1.96 Ivy League schools claim that the average GPA of its graduates is 3.50. A simple random sample of recent graduates yielded the following results. Use a 1% level of significance (X= 0.01). Descriptive Statistics N Mean SE Mean 99% CI for μ 36 3.4500 0.0333 (3.3641, 3.5359) mean of Sample Known standard deviation = 0.2 Test Null hypothesis Ho: μ = 3.5 Alternative hypothesis H₁: μ# 3.5 What is the p-value of this test? a. 0.9332 b. 0.0334 C. 0.1336 0.0668 e. 0.8664

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