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24 February, 16:43

A successful basketball player has a height of 6 feet 7 inches, or 201 cm. Based on statistics from a data set, his height converts to the z score of 3.74. How many standard deviations is his height above the mean?

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  1. 24 February, 16:51
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    Solution: We have z score = 3.74.

    It means, a basketball player's height is 3.74 standard deviation's above the mean.

    Z score tells us how many standard deviations below or above the population mean a raw score is. For example if z score = - 2, it means the raw score is 2 standard deviations below the mean value. If z score = 2, it means the raw score is 2 standard deviations above the mean value.

    Hence the basketball player's height (201 cm) is 3.74 standard deviation's above the mean.
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