Final Exam 2 - Question 2 Travelocity would like to test if the average roundtrip airfare between New York and London is less than \$1,400 Answer H0

# Final Exam 2 - Question 2 Travelocity would like to test if...

This preview shows page 1 - 4 out of 13 pages.

Question 2 Travelocity would like to test if the average roundtrip airfare between New York and London is less than \$1,400 Answer H0: μ ≥ \$1,400; H1: μ < \$1,400. Comments Correct!! Max Score: 4 Actual Score: 4 Question 3 CoStar would like to test if the vacancy rate for warehouse stores is more than 8%. The correct hypothesis state Answer H0: π ≤ 0.08; H1: π > 0.08. Comments Correct!! Max Score: 4 Actual Score: 4 Question 4 CoStar would like to test if the vacancy rate for warehouse stores is more than 8%. A Type I error would occur Answer more than 8% when, in reality, the proportion was 8% or less. Comments Correct!! Max Score: 4 Actual Score: 4 Question 5 The p-value for a hypothesis test is defined as the probability of observing a Answer sample mean at least as extreme as the one selected for the hypothesis test, assuming the null hypo Comments Correct!! Max Score: 4 Actual Score: 4 Question 6 A Type II error is known as the producer's risk because, when it occurs in quality control settings, the producer Answer False Comments Correct!! Max Score: 4 Actual Score: 4 Question 7 YouTube would like to test the hypothesis that the average length of an online video watched by a user is more minutes in length. It is believed that the population standard deviation for the length of online videos is 1.7 min ________. Answer Comments Question 8 Sony would like to test the hypothesis that the average age of a PlayStation user differs from the average age of while a random sample of 36 Xbox users had an average age of 35.6 years. Assume that the population standard would like to set α = 0.05. The critical value for this hypothesis test would be ________. Answer Comments Question 9 Sony would like to test the hypothesis that the average age of a PlayStation user differs from the average age of while a random sample of 36 Xbox users had an average age of 35.6 years. Assume that the population standard would like to set α = 0.05. The standard error of the difference between two means for this hypothesis test woul Answer Comments Question 10 Sony would like to test the hypothesis that the average age of a PlayStation user differs from the average age of while a random sample of 36 Xbox users had an average age of 35.6 years. Assume that the population standard would like to set α = 0.05. If Population 1 is defined as PlayStation users and Population 2 is defined as Xbox u Answer Comments Question 11  #### You've reached the end of your free preview.

Want to read all 13 pages?

• • • 