Forty members of a market research focus group were asked to rate a new company product on a scale of 0 to 100. Ratings are reported in the table below:

a. Show the values in a grouped data  relative frequency table, using the intervals 30 to under 40, 40 to under 50, 50 to under 60, and so on.

b. Draw the histogram for the table that you produced in part a.

Transcribed Image Text:

81 60 58 56 58 59 52 41 46 49 47 42 35 31 32