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.

a. Construct a frequency distribution for these data.
b. Using the results from part a, calculate the relative fre-quencies 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 expe-rience as either Excellent or Good?

G G E G F G GE GE F G P G E EGFG GEEF E G F E GEE G P G G E G P F EF G G P G G G G G