A researcher claims that 20 years old women on a special diet will have an average weight of 110 pound. A sample of 15 women has an average weight of 112.5 pounds and a standard deviation of 5 pounds. At a = 0.01, can the claim be rejected?

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4) A researcher claims that 20 years old women on a special diet will have an average weight of 110
pound. A sample of 15 women has an average weight of 112.5 pounds and a standard deviation of
5 pounds. At a = 0.01, can the claim be rejected?
Solution:
I.
Statement of the Hypothesis:
Но
H1
II.
Statistical Test:
III.
Level of Significance and Critical Value:
IV.
Computed value of Z:
V.
Conclusion:
Transcribed Image Text:4) A researcher claims that 20 years old women on a special diet will have an average weight of 110 pound. A sample of 15 women has an average weight of 112.5 pounds and a standard deviation of 5 pounds. At a = 0.01, can the claim be rejected? Solution: I. Statement of the Hypothesis: Но H1 II. Statistical Test: III. Level of Significance and Critical Value: IV. Computed value of Z: V. Conclusion:
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