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Sampling, Inference & the t-Test · Question 55 of 70

Question 55

EasyOriginal question

A one-sample t-test is done on a sample of 12. How many degrees of freedom does it have?

Options for question 55

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. Degrees of freedom =n−1= n - 1.

  2. 12−1=1112 - 1 = 11.

Worth noting

12 is the sample size; one degree of freedom goes to the sample mean.

Concept
Degrees of freedom
Typical time
60 s
Your time
—
The rule this testsThe one-sample t-test
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