he following variable (X) represents the number of coupons used over a 6 month period by...

he following variable (X) represents the number of coupons used over a 6 month period by a sample of 11 shoppers:

81, 64, 71, 68, 71, 55, 62, 71, 66, 77, 61.

Use this data to compute:

The mean, the median, the mode, the range, the variance, the standard deviation, the 80th percentile, the sum of the values of (X), and the sum of the squared deviations of each value of (X) from the mean. In addition, please explain what information is provided to us about this variable by your answers to: (1) the sample mean and (2) the sample standard deviation.

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orchestra answered 1 year ago

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