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Sampling, Inference & the t-Test · Question 18 of 70

Question 18

EasyOriginal question

The average height of all the students of a school is calculated from the school's records. What is this average?

Options for question 18

Show the answer and explanation
CorrectNot quiteAnswer D

Correct answer: D

Explanation

  1. A parameter describes a whole population; a statistic describes a sample.

  2. Every student is included, so the average is a parameter.

Worth noting

It would be a statistic only if it came from some of the students.

Concept
Parameter or statistic
Typical time
60 s
Your time
—
The rule this testsParameters, statistics and the central limit theorem
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Ten questions from Sampling, Inference & the t-Test, at your own pace.

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