The following data represents the number of minutes customers at a fast food res

Question

The following data represents the number of minutes customers at a fast food restaurant had to wait in the drive thru line before their order was taken 1 9 13 5 7 12 10 3 3 Calculate the z-score for the following times. a. 8 minutes b. 7 minutes c. 4 minutes d. 10 minutes a. The z-score for 8 is (Round to two decimal places as needed.) b.The z-score for 7 (Round to two decimal places as needed.) c. The z-score for 4 is Round to two decimal places as needed.) d.. The z-score for 10 is Round to two decimal places as needed.)

Explanation / Answer

formula used

z-score = (X - mean)/sd

1 9 13 5 z 7 12 8 0.234082 10 7 0 3 4 -0.70225 3 10 0.702247 mean 7 sd 4.272002

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