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Question

2. The mean consumption of fruit three years ago was 98.9 pounds. A dietician believes that fruit consumption has fallen since then.
a. Write out the hypothesis.

b. In the context of this question, what mistake would you be making if you made a type I error (what are you claiming and what is actually true)?

c. In the context of this question, what mistake would you be making if you made a type II error (what are you claiming and what is actually true)?

 

Answer 1

Null Hypothesis: the mean is less than 98.9

 

Type I error is the rejection of a true NULL Hypothesis 

 

Type II error is the acceptance of false NULL Hypothesis