Question: estion Completion Status: Use the following information to answer problems 5 and 6: The following adult ski sweater prices are from the Gorsuch Lid. Winter






estion Completion Status: Use the following information to answer problems 5 and 6: The following adult ski sweater prices are from the Gorsuch Lid. Winter catalog: $212, $292, $278, $199, $280, $236 Assume the underlying sweater price population is approximately normal. The null hypothesis is that the mean price of adult ski sweaters from Gorsuch Ltd. is at least $275. 5. The correct distribution to use for the hypothesis test is: 1. Normal 2. Binomial 3. Student's t 4. Exponential QUESTION 6 6. The hypothesis test: 1. is two-tailed. 2. is left-tailed. 3. is right-tailed. 4. has no tails. Click Save and Submit to save and submit. Click Save All Answers to save all answers.Remaining Time: 2 hours, 25 minutes, 19 seconds. Question Completion Status: QUESTION 7 7. Sara, a statistics student, wanted to determine the mean number of books that college professors have in their office. She randomly selected two buildings on campus and asked each professor in the selected buildings how many books are in his or her office. Sara surveyed 25 professors. The type of sampling selected is 1. simple random sampling. 2. systematic sampling. 3. cluster sampling. 4. stratified sampling. QUESTION 8 8. A clothing store would use which measure of the center of data when placing orders for the typical "middle" customer? 1. mean 2. median 3. mode 4. IQR Click Save and Submit to save and submit. Click Save All Answers to save all answers,ours, 25 minutes, 07 seconds. * Question Completion Status: QUESTION 9 9. In a hypothesis test, the p-value is 1. the probability that an outcome of the data will happen purely by chance when the null hypothesis is true. 2. called the preconceived alpha. 3. compared to beta to decide whether to reject or not reject the null hypothesis. 4. Answer choices A and B are both true. QUESTION 10 10. X ~ U(4, 10). Find the 30th percentile. 1. 0.3000 2 . 3 3. 5.8 4. 6.1 Click Save and Submit to save and submit. Click Save All Answers to save all answers
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
