Homework_4__solutions

Homework_4__solutions - HOMEWORK 4 MGMT305 Due Date April...

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Unformatted text preview: HOMEWORK 4 MGMT305 Due Date April 18, 2011 Quiz Date April 18,2011 1. Allied Corporation is trying to determine whether to purchase Machine A or B. It has leased the two machines for a month. A random sample of 5 employees has been taken. These employees have gone through a training session on both machines. Below you are given information on their productivity rate on both machines. (Let the difference d = Machine A - Machine B.) Productivity Rate Person Machine A Machine B 1 47 52 2 53 58 3 50 47 4 55 60 5 45 53 a. State the null and alternative hypotheses for a two-tailed test. b. Find the mean and standard deviation for the difference. c. Compute the test statistic. d. Test the null hypothesis stated in Part a at the 10% level. 20 pts a. H : d = 0 H a : d 0------3pts b.-4 and 4.123 c. t = -2.169---- 4 pts d. , So reject ----3 pts (OR: p-value (0.0959) is between 0.05 to .10, so reject H 0 ) 2. Information regarding the starting salaries (in $1,000) of samples of students in four different majors is given below....
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Homework_4__solutions - HOMEWORK 4 MGMT305 Due Date April...

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