Homework Help: MATH GURU, PLEASE HELP

Posted by Donny on Wednesday, November 17, 2010 at 9:34pm.

The company offers two types of sales: 1. Internet sales; 2. Store sales. The marketing research manager believes that the Internet sales are more than 10% higher than store sales. The null hypothesis would be:
A. Pinternet–Pstore >.10
B. Pinternet–Pstore <.10
C. Pinternet–Pstore less than or equal to .10
D. Pinternet–Pstore greater than or equal to.10
E. Pinternet–Pstore less than or equal to 0

MATH GURU, PLEASE HELP - PsyDAG, Thursday, November 18, 2010 at 10:45am
Ho (null hypothesis) indicates no difference. Which choice does that indicate?
MATH GURU, PLEASE HELP - Donny, Thursday, November 18, 2010 at 2:06pm
Not sure what no difference means. I was thinking that it was D for the answer but reading your response makes me think it may be E? If you can explain more that would be helpful. Thanks

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