Mathematics, 12.12.2019 04:31 swagisminecraft
Abank with a branch located in a commercial district of a city has developed an improved process for serving customers during the noon to 1 p. m. lunch period. the waiting time (operationally defined as the time elapsed from when the customer enters the line until he or she reaches the teller window) of all customers during this hour is recorded over a period of one week. a random sample of 15 customers is selected, and the results (in minutes) are as follows: 4, 5, 3, 5.2, 3.6, 4.8, 5, 3.7, 6, 3.2, 4.5, 4.7, 5.14, 6.14, 3.86 suppose that another branch located in a residential area is also concerned with the noon to 1 p. m. lunch period. another set of random sample of 15 customers is also selected, and the results (in minutes) are as follows:
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Abank with a branch located in a commercial district of a city has developed an improved process for...
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