4/20/22, 2:16 PM MGSC-5108-14 Final Exam (page 6 of 6) Question 6 PART 1 Not yet answered Write a number from 1 to 5 to put the 5 steps of Hypothesis Testing in the correct order Marked out of 41.00 Formulate the Decision Rule State the Null Hypothesis (HO) and the Alternative Hypothesis (H1) Select the Test Statistic Make a Decision and Interpret the Result Select a Level of Significance What test statistics did we study? (select all that apply) Ot Oz OX2 DQ OF PART 2 A company has invested in new IT assets and thinks that the investment has increased productivity. Before the upgrade, revenue was $2500/h with a standard deviation of $200/h What will be the null and alternative hypotheses? 10: $ 11: $ PART 3 A large food company has an old filling/packing machine on their production line. They are worried that it might not be meeting trade regulations on accuracy in labelling. These regulations protect consumers from receiving less product than they paid for. It is set to fill bottles with 125.0 g of sauce each. Taking a sample of bottles from the line revealed the following weights (grams) in each bottle. 125 120 130 125 120 115 115 120 110 120 Calculate the following Sample size (n) Sample mean (x) https://cbulms2.cbu.ca/moodle/mod/quiz/attempt.php?attempt=347837&cmid=242462&page=5 2/34/20/22, 2:16 PM MGSC-5108-14 Final Exam (page 6 of 6) Standard deviation The question is, at the 0.01 significance level, can we conclude that the mean weight is less than 125.0 g? (a) State the null hypothesis and the alternative hypothesis. 10. 9 H1: g (b) How many degrees of freedom are there? (c) Give the decision rule. (what is the critical value of the test statistic?) Reject HO if (d) Compute the test value of t. (e) What is your decision regarding the null hypothesis? So, at the 0.01 significance level, can we conclude that the mean weight is less than 125.0 g? Part 3.5 Now, consider the P Value approach, What is the P Value? Interpret the P value Using this approach, would you conclude that the mean weight is less than 125.0 g? Chapter 5,6,7,8 Quiz take- Course Evaluations Jump to... home - https://cbulms2.cbu.ca/moodle/mod/quiz/attempt.php?attempt=347837&cmid=242462&page=5 3 /3