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Author Question: The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a ... (Read 85 times)

Wadzanai

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on: Jul 24, 2018
The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a semester is given below: H0: p = 0.80 (or p  0.80) Ha: p > 0.80 The results of a study gave a p-value of 0.08 . The results of this study also stated that the study results were not statistically significant. What mistake could the researchers have made?

Question 2

In which of the following scenarios is a paired design not appropriate?
 a. Comparison of the wear pattern on one's left shoe and one's right shoe.
  b. Comparison of a cream and an ointment in the treatment of a rash, where the ointment is applied to half the rash and the cream to the other half.
  c. Comparison of the average energy use of two brands of dishwashers.
  d. Comparison of the accuracy of taking a person's temperature orally and in the ear, where each person's temperature is taken using both methods.


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mathjasmine

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Reply #1 on: Jul 24, 2018
Answer to Question 1

Type 2.

Answer to Question 2

C


Wadzanai

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Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

tkempin

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Reply 3 on: Yesterday
Excellent

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