Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many grade-point averages must be obtained so that the sample mean is within 0.01 of the population mean? Assume that a 99% confidence level is desired. If using the range rule of thumb, o range 4-0 can be estimated as = -=1. Does the sample size seem practical? 4 The required sample size is (Round up to the nearest whole number as needed.) Does the sample size seem practical? OA. No, because the required sample size is a fairly small number. OB. Yes, because the required sample size is a fairly large number. C. Yes, because the required sample size is a fairly small number. D. No, because the required sample size is a fairly large number. 4

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Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How
many grade-point averages must be obtained so that the sample mean is within 0.01 of the
population mean? Assume that a 99% confidence level is desired. If using the range rule of thumb, o
range 4-0
can be estimated as
= 1. Does the sample size seem practical?
4
4
=
The required sample size is
(Round up to the nearest whole number as needed.)
Does the sample size seem practical?
A. No, because the required sample size is a fairly small number.
B. Yes, because the required sample size is a fairly large number.
OC. Yes, because the required sample size is a fairly small number.
D. No, because the required sample size is a fairly large number.
Transcribed Image Text:Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many grade-point averages must be obtained so that the sample mean is within 0.01 of the population mean? Assume that a 99% confidence level is desired. If using the range rule of thumb, o range 4-0 can be estimated as = 1. Does the sample size seem practical? 4 4 = The required sample size is (Round up to the nearest whole number as needed.) Does the sample size seem practical? A. No, because the required sample size is a fairly small number. B. Yes, because the required sample size is a fairly large number. OC. Yes, because the required sample size is a fairly small number. D. No, because the required sample size is a fairly large number.
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