A. – 1.833B. 0.0026C. 3.668D. – 2.262E. – 3.668 *A. p > .1B. .05 < p < .10C. .025 < p < .05 *D. .01 < p < .025E. p < .01A. Conclude there is insufficient evidence the average weekly revenue is less than $10,000 because the p-value is greater than the significance level.B. Conclude there is evidence the average weekly revenue is less than $10,000 because the p-value is greater than the significance level.C. Conclude there is evidence the average weekly revenue is less than $10,000 because the p-value is smaller than the significance level. *D. Conclude there is insufficient evidence the average weekly revenue is less than $10,000 because the p-value is smaller than the significance level.E. Conclude there is evidence the average weekly revenue is at least $10,000 because the test statistic is greater than the significance level.A. Ha: the mean time to deliver orders is the same for all three drivers.B. Ha: the mean time to deliver orders is not the same for all three drivers. *C. Ha: the mean time to deliver orders for each driver is different from the others.D. Ha: the mean time to deliver orders is the same for drivers 1 and 2.E. Ha: the mean time to deliver orders is the same among order destinations.A. p > 0.1B. .05 < p < .10C. .025 < p < .05D. .01 < p < .025E. p < .01 *Thank youCOURSE: MSCI 3710 Print Name: Exam 1 – B Signature: Spring 2005 Student ID#: INSTRUCTIONS:- Please print your name and student ID number on this exam. Also, put your signature on this exam.- On your scantron PRINT your name and exam version. To better protect your privacy also print your name on the backside of your scantron.- You have 75 minutes to complete this exam. The exam is open book, open notes,and open mind. You may use any type of hand calculator but please show all your work on the exam and mark all answers on the scantron. Usage of cell phones, digital cameras, PDAs, and other communication devices is strictly prohibited.- Many of the questions follow the format of those in Hawkes Learning Systems Business Statistics. The remaining questions are either based on the Excel assignments or use an HLSBS-like approach with problems nearly identical to those assigned in the textbook. - Please DO NOT pull this exam apart. When you have completed the exam, please turn your scantron and exam booklet into your instructor, at the front desk.- No cheating.- Good luck and we wish you well on the exam.Note: Whenever question(s) are connected you may be asked to assume a result (given a value) as an answer for the previous question but this result (value) may or may not be correct. The procedure is set in place to prevent you from losing points on a subsequent question because you made a mistake on some previous question/s.1Use the information given in the following paragraph to answer first four questions. A potential buyer who is considering purchasing a franchise store believes that the average weeklyrevenue is less than $10,000. He obtains a random sample of weekly revenues from 10 stores andconducts a statistical analysis on the data using Excel, partial results of which are shown below.1. What is the null hypothesis for testing the potential buyer’s belief?A. Ho: - > 10,000 *B. Ho: - -10,000C. Ho: - < 10,000 D. Ho: - > 10,000E. Ho: - < 10,0002. What is the calculated test statistic to test the buyer’s belief?A. – 1.833 B. 0.0026C. 3.668D. – 2.262E. – 3.668 *23. Suppose the calculated test statistic is –1.85, which one of the following would best describe the p-value for the test?A. p > .1 B. .05 < p < .10 C. .025 < p < .05 *D. .01 < p < .025E. p < .014. Suppose the p-value of the test is 0.03. What is the conclusion of the test concerning the potential buyer’s belief, conducted at the 0.05 significance level, and reason for the conclusion?A. Conclude there is insufficient evidence the average weekly revenue is less than $10,000 because the p-value is greater than the significance level. B. Conclude there is evidence the average weekly revenue is less than $10,000 because the p-value is greater than the significance level.C. Conclude there is evidence the average weekly revenue is less than $10,000 because the p-value is smaller than the significance level. *D. Conclude there is insufficient evidence the average weekly revenue is less than $10,000 because the p-value is smaller than the significance level.E. Conclude there is evidence the average weekly revenue is at least $10,000 because the teststatistic is greater than the significance level. 3Use the information given in the next paragraph to answer the next four questions.The table below shows the weight (in pounds) of 10 overweight employees who participated in a corporate physical training program that lasted one month. The weights shown are those before and after completing the program, for each employee. Excel analysis at the 10% significance level is also shown.5. What is the table value (at the 10 % level) of the appropriate test statistic to test the belief that there is a reduction of at least 10 pounds in the mean weight if employees go through the physical training program?A. 0.458 B. 0.109 C. 1.83 D. 0.915 E. 1.38 *6. What is the calculated value of the appropriate test statistic to test the belief that there is a reduction of at least 10 pounds in the mean weight if employees go through the program?A. 0.458 B. 0.109 * C. 1.83 D. 0.915 E. 1.38 7. What is the p-value for testing the hypothesis that there is a reduction of at least 10 pounds inthe mean weight of the employees?A. 0.458 * B. 0.109 C. 1.83 D. 0.915 E. 1.38 8. What is the point estimate for the mean reduction (number of pounds lost) of weight for employees completing the program?A. 234.3B. 224C. 10.3 *D. -30.8 E. 104Use the following paragraph for the next three questions.A hospital director believes that more than 20% of the test tubes in the laboratory are contaminated. A sample of 200 tubes found 48 contaminated. Is there evidence at the 10% level to support the director’s belief?9. What are the hypotheses for this test?A. Ho: p = 0.00 Ha: p ≠ 0.00B. Ho: p < 0.20 Ha: p > 0.20 *C. Ho: p < 0.05 Ha: p > 0.05D. Ho: p > 0.20 Ha: p < 0.20 E. Ho: p < 0.24 Ha: p > 0.2410. What is the critical value of the test statistic?A. 1.28 *B. 1.645C. 1.96D. 1.41E. 2.3311. Assume the calculated test statistic is 1.12. What conclusion can be drawn? A. Reject Ha. There is evidence that