A computer software package calculated some numerical

Chapter 7, Problem 22E

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QUESTION:

A computer software package calculated some numerical summaries of a sample of data. The results are displayed here:

(a) Fill in the missing quantities.

(b) What is the estimate of the mean of the population from which this sample was drawn?

Questions & Answers

QUESTION:

A computer software package calculated some numerical summaries of a sample of data. The results are displayed here:

(a) Fill in the missing quantities.

(b) What is the estimate of the mean of the population from which this sample was drawn?

ANSWER:

Solution:

Step 1 of 3:

The summary of a certain sample data is given.using this we need to find the required values.

The given summary is

Variable

N

Mean

SE Mean

St Dev

Variance

x

20

50.184

?

1.816

?


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