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Assume that all grade-point averages are to be standardized on a scale between 0 and 6. How many grade-point averages must be

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Answer #1

Sample size = (Z\alpha/2 * \sigma / E)2

= (1.96 * 1.5 / 0.014)2

= 44100

The required sample size is 44100

No, sample size is not practical.

Because required sample size is fairly large number.

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