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Calculate the sample mean and sample standard deviation

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Reference no: EM13576497

Suppose a consumer group asked 18 consumers to keep a yearly log of their shopping practicesand that the following data represent the number of coupons used by each consumer over theyearly period.81, 68, 70, 100, 94, 47, 66, 70, 82, 110, 105, 60, 21, 70, 66, 90, 78, 85

1. Calculate the sample mean and sample standard deviation. Please provide formulas and not just an answer.

2. Calculate the sample median and inter quartile range. Please provide formulas and notjust an answer.

3. Construct a boxplot for the data. Are there any outliers?

Reference no: EM13576497

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