3.4 A supermarket has one checkout for customers who wish to purchase 9 items or less. The...

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3.4 A supermarket has one checkout for customers who wish to purchase 9 items or less. The number of items presented at this checkout by a sample of 19 customers were 5 8 7 7 6 6 10 8 9 9 9 6 5 9 8 9 5 5 6

(a) Find the median and quartiles for this set of data.

(b) Determine the semi-interquartile range.

(c) Calculate the mean and standard deviation for this set of data.

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3.4 A supermarket has one checkout for customers who wish to purchase 9 items or less. The...

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Stats Means Business

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