Measurements of the length in centimeters of n = 29 fish yielded an average length of x

Chapter 7, Problem 7.4-4

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QUESTION:

Measurements of the length in centimeters of n = 29 fish yielded an average length of x = 16.82 and s2 = 34.9. Determine the size of a new sample so that x 0.5 is an approximate 95% confidence interval for

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QUESTION:

Measurements of the length in centimeters of n = 29 fish yielded an average length of x = 16.82 and s2 = 34.9. Determine the size of a new sample so that x 0.5 is an approximate 95% confidence interval for

ANSWER:

Step 1 of 2

Given that,

Measurements of the length in centimeters of n = 29 fish yielded an average length of   = 16.82 and  = 34.9.

We need to determine the size of a new sample so that ± 0.5 is an approximate 95% confidence interval for ?.

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