Question 27
MediumOriginal questionRead the two statements and choose the correct option.
I. A parameter is fixed for a population, while a statistic changes from one sample to another.
II. A statistic always equals the parameter it estimates.
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
I: there is one population mean, but each sample has its own mean. True.
II: a sample mean is only an estimate and usually misses the population mean by a little. False.
- Concept
- Why statistics vary
- Typical timeTypical
- 90 s
- Your timeYours
- —
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