Question:
A random sample of size 9 has 21 as sample mean. The sum of the squares of the deviations taken from mean is 72. The sample is drawn from the population having 23 as mean. The value of test statistic is,
A random sample of size 9 has 21 as sample mean. The sum of the squares of the deviations taken from mean is 72. The sample is drawn from the population having 23 as mean. The value of test statistic is,
Updated On: Jun 14, 2024
- -2
- 2
- -2.5
- -3
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The Correct Option is A
Solution and Explanation
The correct option is (A):-2
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