Kala is taking a self-paced math class. Her scores for each of the 17 quizzes during the academic year are shown below.
Complete the grouped relative frequency distribution for the data. (Note that we are using a class width of 4.)
Write each relative frequency as a decimal rounded to the nearest hundredth, not as a percentage.
Quiz score
Quiz score
Relative
frequency
X
74
82 76 75
72 to 75
83 79 76 85 82
76 to 79
80 87 82 77 81
80 to 83
84 to 87
88 to 91