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Suppose this professor happens to select Sample 153. (Hint: To see a particular sample, click the Observations button on the left-hand side of the DataView
Suppose this professor happens to select Sample 153. (Hint: To see a particular sample, click the Observations button on the left-hand side of the DataView tool. The samples are numbered in the first column, and you can use the scroll bar on the right side to scroll to the sample you want.) Use the DataView tool to find the mean and the standard deviation for Sample 153. The mean for Sample 153 is . The standard deviation for Sample 153 is . Using the distribution of sample means, calculate the z-score corresponding to the mean of Sample 153. The z-score corresponding to the mean of Sample 153 is . Use the Distributions tool that follows to determine the probability of obtaining a mean percent accuracy greater than the mean of Sample 153
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