# MATH 302 quiz 4.docx - Part 1 of 3 11.0 11.0 Points...

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Part 1 of 3 -11.0/ 11.0 PointsQuestion 1 of 20 1.0/ 1.0 PointsWhich of the following values is not typically used for f\$alpha f\$ ?A. 0.50 B. 0.10 C. 0.05 D. 0.01 Answer Key: A
Question 2 of 20 1.0/ 1.0 PointsA null hypothesis can only be rejected at the 5% significance level if and only if:
Question 3 of 20 1.0/ 1.0 PointsA lab technician is tested for her consistency by taking multiple measurements of cholesterol levels from the same blood sample. The target accuracy is a variance in measurements of 1.2 or less. If the lab technician takes 16 measurements and the variance of the measurements in the sample is 2.2, does this provide enough evidence to reject the claim that the lab technician’s accuracy is within the target accuracy?
Compute the value of the appropriate test statistic.
Question 4 of 20 1.0/ 1.0 PointsA two-tailed test is one where:
Question 5 of 20 1.0/ 1.0 PointsResults from previous studies showed 79% of all high school seniors from a certain city plan to attend college after graduation. A random sample of 200 high school seniors from this city reveals that 162 plan to attend college. Does this indicate that the percentage has increased from that of previous studies? Test at the 5% level of significance.Compute the z or t value of the sample test statistic. A. z = 0.69 B. t = 1.645
C. z = 1.96 D. z = 0.62 Answer Key: A