In general, when people diet they typically lose 10 lbs. (?σ = 2). A random sample of 16 people on the keto diet lost 15 lbs. Do people on the keto diet lose more or less weight than people on diets in general? -On average, weight loss in the keto diet sample does not differ from weight loss in the population of dieters in general. (H0: X-bar = Mu)) -Weight loss in the keto diet sample does differ from weight loss in the population of dieters in general (H1: X-bar does not equal Mu) critical value: +/- 1.96 Question: What is the test statistic? Question: What is your decision

MATLAB: An Introduction with Applications
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In general, when people diet they typically lose 10 lbs. (?σ = 2).

A random sample of 16 people on the keto diet lost 15 lbs.

Do people on the keto diet lose more or less weight than people on diets in general?

-On average, weight loss in the keto diet sample does not differ from weight loss in the population of dieters in general. (H0: X-bar = Mu))

-Weight loss in the keto diet sample does differ from weight loss in the population of dieters in general (H1: X-bar does not equal Mu)

critical value: +/- 1.96

Question: What is the test statistic?

Question: What is your decision?

 

  1. a) Not enough information to decide
  2. b) Reject the null hypothesis
  3. b) Fail to reject the null hypothesis

 

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We have to perform two tailed Z reset for testing of single mean.

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