b For a sample of size 23 state the mean and the standard deviation of...
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b For a sample of size 23 state the mean and the standard deviation of the sampling distribution of the sample mean mean of the sampling distribution of the sample mean when n 23 30 standard deviation of the sampling distribution of the sample mean when n 23 rounded to two decimal places 1 668 c If you take a sample of size 45 can you say what the shape of the distribution of the sample mean is Why or why not On is at least 30 Oo is known Oo is unknown O population is normal population is not normal On is less than 30 d For a sample of size 45 state the mean and the standard deviation of the sampling distribution of the sample mean mean of the sampling distribution of the sample meanwhen n 45 standard deviation of the sampling distribution of the sample mean when n 45 rounded to two decimal places
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