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 Interactive Checkpoint
 Frequency:  The number of times an item, number, or event occurs in a set of data.

            Range              Quality Ratings

Number in Range
(frequency)
30-39
1
40-49
1
50-59
3
60-69
7
70-79
1
80-89
1
Answer the following questions about the frequency table above:

Enter answers to each question below followed by pressing tab

 Graded Response
 

a) What range of quality ratings appeared most frequently ?

 

 a)  

b) How many brands of peanut butter had a rating of at least 60 ?

 b)  
 c) To the nearest percent, what percentage of ratings were below 60?  c)