If the sample size is 81 and the population standard deviation is 18, then the standard deviation of the sampling distribution for the mean is 2. True False

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A: AnswerGiven37 47 50 65 67 69 71 72 74 77 78 82 87 90 99n=15minimum value =37maximum value =99

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A: Given that.

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Q: 4.5 4.7 4.5 4.5 4.7 4.8 4.5 4.5 4.5 4.5 4.5 4.4 4.7 4.8 4.7 4.8 4.7 18 4.6 4.4 4.4 4.7 4.4 4.5 4.4…

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A: Data4.44.64.54.44.34.74.74.64.64.84.94.44.54.74.44.54.94.74.54.6

Q: The age of children in kindergarten on the first day of school is uniformly distributed between 4.91…

A: Answer Given a =4.91b =5.77

Q: Only need D

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A: The random sample of size, The number of successes, The confidence interval is 90%.

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Q: the answer was 0.076

A:

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