Eastern States Bank and Trust monitors its drive-thru service times electronically to ensure that its speed of

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Eastern States Bank and Trust monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company€™s goals. A sample of 28 drive-thru times was recently taken and is shown here.
Eastern States Bank and Trust monitors its drive-thru service times

a. Compute the mean, median, and mode for these sample data.
b. Indicate whether the data are symmetrical or skewed.
c. Construct a box and whisker plot for the sample data. Does the box and whisker plot support your conclusions in part b concerning the symmetry or skewness of these data?

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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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