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A researcher believes that the average amount of time spent exercising per weeks relates to genetics....

A researcher believes that the average amount of time spent exercising per weeks relates to genetics. Thus, they gathered a sample of 15 identical twins separated at birth. They calculated the average amount of time each person spent exercising per week.

Which type of statistical analysis could you use to test if these two numbers are significantly different?

a)z-Test for One Proportion

b)Independent Samples t-Test

c)Paired Sample t-Test

d)z-Test for Two Proportion

math   Statistics-And-Probability   
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Answer #1

Solution:-

We have given,

gathered a sample of 15 identical twins separated at birth,

calculated the average amount of time each person spent exercising per week.

We have to test  if these two numbers are significantly different,

From the given information Data for twins is independent and sample size is less than 30.

So we use,

Independent Samples t-Test.

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