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If the following data is obtained from a simple random sample: 6, 7, 9, 10, 11, 17 Then the point estimate of population standard deviation is:

15.21

3.898

3.192

✅ Correct Option: 3

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The following data are from a simple random sample: $6, 8, 11, 9, 15, 17$ , then the point estimate of the population mean is

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If 95% confidence interval for the population mean was reported to be 140 to 150 and $\sigma = 25$ , then size of the sample used in this study is:

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Match List-I with List-II

List-I	List-II
(A) An observed set of population selected for analysis	(I) Parameter
(B) A specific characteristic of the population	(II) Hypothesis
(C) A specific characteristic of the sample	(III) Statistic
(D) A statement made about a population parameter for testing	(IV) Sample

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Match the LIST-I with LIST-II

LIST-I	LIST-II
A. The percentage of all possible samples that can be expected to include the true population parameter	I. Standard error
B. The statistical measures computed from the sample observations alone	II. Null hypothesis
C. Assumtion made about a population parameter	III. Statistic
D. Standard deviation of the sampling distribution of a statistic	IV. Confidence level

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