(15.20) Scores on the Critical Reading part of the SAT college entrance test in
ID: 2946283 • Letter: #
Question
(15.20) Scores on the Critical Reading part of the SAT college entrance test in a recent year were roughly Normal with mean 1022.8 and standard deviation 195.2. You choose an SRS of 100 students and average their SAT scores. If you do this many times, the mean of the average scores you get will be close to
(15.20) Scores on the Critical Reading part of the SAT college entrance test in a recent year were roughly Normal with mean 1022.8 and standard deviation 195.2. You choose an SRS of 100 students and average their SAT scores. If you do this many times, the mean of the average scores you get will be close to
1022.8/100 ??10.2. 1022.8. 1022.8/100?????1021022.8/100?102.Explanation / Answer
When we take sampling distribution of sample means, the average of it will be population mean.
Hence,
Mean = 1022.8
Option B is correct.
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