Modeling Data A department store manager wants to estimate the number of customers that

Chapter 4, Problem 66

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Modeling Data A department store manager wants to estimate the number of customers that enter the store from noon until closing at 9 P.M. The table shows the number of customers entering the store during a randomly selected minute each hour from to with corresponding to noon. (a) Draw a histogram of the data. (b) Estimate the total number of customers entering the store between noon and 9 P.M. (c) Use the regression capabilities of a graphing utility to find a model of the form for the data. (d) Use a graphing utility to plot the data and graph the model. (e) Use a graphing utility to evaluate and use the result to estimate the number of customers entering the store between noon and 9 P.M. Compare this with your answer in part (b). (f) Estimate the average number of customers entering the store per minute between 3 P.M. and 7 P.M. 1y1