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The letter X with a bar over it is used to represent (a) _______. options: 1)...

The letter X with a bar over it is used to represent (a) _______.

options:

1) Outliers

2) Sample statistic

3) Population parameter

4) Inferential statistics

math   Statistics-And-Probability   
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Answer #1

Sol:

Xbar is sample mean

xbar=sum of values/total values

statistic is numerical characteristic of the sample,here it is sample mean.

it can be used to provide estimates of the corresponding population parameter

ANSWER:

SAMPLE STATISTIC

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