Intro to Continuous Improvement - PART 1 (of 3) Quality Tools: "Grocery Store" Application Activity Joe and Mary are analyzing their grocery expenses. Please use their data to generate the data analysis requested. Joe and Mary collected their grocery shopping receipts from the last 8 weeks. They rounded their expenses, by week, in whole dollars. This is their data: Week #1: 76.00 Week #2: 85.00 Week#3: 89.00 Week#4: 76.00 Week#5: 95.00 Week#6: 88.00 Week#7: 80.00 Week#8: 72.00 Please calculate the mean (average) of their grocery expenses. Please identify the median of their grocery expenses. Please identify the mode of their grocery expenses. Please identify the range of their grocery expenses.
Added by Gregory P.
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To calculate the mean, we need to add up all the expenses and divide by the number of weeks. Week #1: $76.00 Week #2: $85.00 Week #3: $89.00 Week #4: $111.00 Week #5: $95.00 Week #6: $88.00 Week #7: $80.00 Week #8: $72.00 Total expenses = $76 + $85 + $89 + $111 Show more…
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