Question
Asked Oct 9, 2019
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In a test of physical fitness, a
group of men ages 65 and
older from a local retirement community were
told to do as many sit-ups as they could. It is known the population mean is 20 with a= 8. The scores
for the men from the retirement community are given below. Use a two-tailed rejection region with a
total area of 0.05 to decide the likelihood of this sample occurring in the population
10
24
25
47
23
29
18
32
20
19
24
21
28
20
27
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In a test of physical fitness, a group of men ages 65 and older from a local retirement community were told to do as many sit-ups as they could. It is known the population mean is 20 with a= 8. The scores for the men from the retirement community are given below. Use a two-tailed rejection region with a total area of 0.05 to decide the likelihood of this sample occurring in the population 10 24 25 47 23 29 18 32 20 19 24 21 28 20 27

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Expert Answer

Step 1

Introduction:

Denote X as the number of sit-ups that a randomly selected man aged 65 years or older can perform, in the study. The population mean of X is 20, the population standard deviation is, σ = 8.

The sample size is, n = 16.

The sample can be considered to be from the suggested population, if it has a high likelihood of occurrence; it can be determined by considering the likelihood of the sample mean, and comparing it with the two-tai...

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Statistics

Hypothesis Testing

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