Question 7 of 20 10 10 points a severe storm has an

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Question 7 of 20 1.0/ 1.0 Points A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., height) is dying down or getting worse. If you wanted to test the hypothesis that the waves are dying down, what would you use for the alternate hypothesis? Is the P-value area on the left, right, or on both sides of the mean?
Question 8 of 20 1.0/ 1.0 Points A 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.
Answer Key:
Question 9 of 20 1.0/ 1.0 Points Suppose that the mean time for a certain car to go from 0 to 60 miles per hour was 7.7 seconds. Suppose that you want to test the claim that the average time to accelerate from 0 to 60 miles per hour is longer than 7.7 seconds. What would you use for the alternative hypothesis?
Question 10 of 20 1.0/ 1.0 Points If a teacher is trying to prove that a new method of teaching economics is more effective than a traditional one, he/she will conduct a: A.two-tailed test B.confidence interval
C.one-tailed test D.point estimate of the population parameter Answer Key: C Question 11 of 20 1.0/ 1.0 Points The “Pizza Hot” manager commits a Type I error if he/she is
Part 2 of 3 - 6.0/ 6.0 Points

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