A restaurant manager surveys her customers after their dining experience. Customers rate their experience as Excellent (E),

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A restaurant manager surveys her customers after their dining experience. Customers rate their experience as Excellent (E), Good (G), Fair (F), or Poor (P). The following table records the experience of 60 customers and can be found in the Excel file dining experience.
xlsx.
G G E G F G G E G E F G P G E E G F G G E E F E G E P G G F E G E G G G G F E G E E G P G G E G P F E F G G P G G G G G a. Construct a frequency distribution for these data.
b. Using the results from part a, calculate the relative frequencies for each class.
c. Using the results from part a, calculate the cumulative relative frequencies for each class.
d. Construct a horizontal bar chart for these data.
e. What percentage of customers rated their dining experience as either Excellent or Good?

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Business Statistics

ISBN: 9780133852288

2nd Edition

Authors: Robert A Donnelly, Robert Donnelly Jr

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