#44 A study plans to have a sample of obese adults follow
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#44 A study plans to have a sample of obese adults follow a proposed low-carbohydrate diet for two months. Consider the hypothesis "the population mean of the values of weight change ( weight at start of study-weight at end of study) is less than zero." a. Is this a null or an alternative hypothesis? Explain your reasoning b. Define a relevant parameter, and express the hypothesis that the diet has no effect in terms of that parameter. Is it a null or alternative hypothesis?
1. Is this a null or an alternative hypothesis?
A. Alternative; it has a range of parameter values.
B. Null; the parameter takes a particular value.
C. Null; it has a range of parameter values.
D. D. Alternative; the parameter takes a particular value.
2. Which is a relevant parameter?
A. probability of weight loss, p
B. weight at start of study, μ
C. the population standard deviation, σ
D. the population standard deviation, σ
Express the hypothesis that the diet has no effect in terms of that parameter. Is it a null or alternative hypothesis?
A. Ha: μ-a number less than zero, alternative hypothesis
B. Ha: μ-0; alternative hypothesis
C. Ho: μ-0; null hypothesis
D. Ho: μ-a number less than zero; null hypothesis
(a) Option (A): Alternative, it has a range of parameter values.
(b) Option (D): mean weight change, μ
(c) Option (C) H0: μ = 0; null hypothesis
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Question
#44 A study plans to have a sample of obese adults follow a proposed low-carbohydrate diet for two months. Consider the hypothesis "the population mean of the values of weight change ( weight at start of study-weight at end of study) is less than zero." a. Is this a null or an alternative hypothesis? Explain your reasoning b. Define a relevant parameter, and express the hypothesis that the diet has no effect in terms of that parameter. Is it a null or alternative hypothesis?
1. Is this a null or an alternative hypothesis?
A. Alternative; it has a range of parameter values.
B. Null; the parameter takes a particular value.
C. Null; it has a range of parameter values.
D. D. Alternative; the parameter takes a particular value.
2. Which is a relevant parameter?
A. probability of weight loss, p
B. weight at start of study, μ
C. the population standard deviation, σ
D. the population standard deviation, σ
Express the hypothesis that the diet has no effect in terms of that parameter. Is it a null or alternative hypothesis?
A. Ha: μ-a number less than zero, alternative hypothesis
B. Ha: μ-0; alternative hypothesis
C. Ho: μ-0; null hypothesis
D. Ho: μ-a number less than zero; null hypothesis
Answer
(a) Option (A): Alternative, it has a range of parameter values.
(b) Option (D): mean weight change, μ
(c) Option (C) H0: μ = 0; null hypothesis
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