Mathematics, 19.03.2021 20:40 dstyle
For a sample of 20 IQ scores the mean score is 105.8. The standard deviation, o, is 15. Determine
whether a normal distribution or a t-distribution should be used or whether neither of these can be used
to construct a confidence interval. Assume that IQ scores are normally distributed,
A) Use normal distribution,
B) Cannot use normal distribution or t-distribution,
C) Use the t-distribution
Answers: 2
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For a sample of 20 IQ scores the mean score is 105.8. The standard deviation, o, is 15. Determine
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