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MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
Instructions Exam Grading To resize a view: Hold down key combination Shift. Alt, + or Shift. Alt, - or Move below handle 11' unanswered 19 A coffee manufacturer is interested in whether the mean daily consumption of regular-coffee drinkers is less than that
12 Unanswered of decaffeinated—coffee drinkers. A random sample of 50 regular—coffee drinkers showed a mean of 4.35 cups per day,
A with a standard deviation of 1.2 cups per day. A sample of 40 decaffeinated coffee drinkers showed a mean of 5.84
13, Unanswered cups per day, with a standard deviation of 1.36 cups per day. What is your computed z-statistic?
14. Unanswered
A = _
15. Unanswered Z 3'90
”‘2 = -1.81
16. Unanswered
“,2 = -5.44
17. Unanswered
A2 = -2.45
18. Unanswered 19. Unanswered
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26. Unanswered 27. Unanswered
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