Question

the histogram shows the heights of 21 students in a class, grouped into groups of width 5 inches. how many students had heights of 60 inches or more? a 21 b 17 c 11 d 6 these questions are for you. you are not being tested.

Explanation:

Step1: Identify relevant bars

Bars for heights 60 - 65, 65 - 70, 70 - 75, 75 - 80 are relevant.

Step2: Read frequencies

Frequency of 60 - 65 is 5, 65 - 70 is 2, 70 - 75 is 3, 75 - 80 is 1.

Step3: Sum frequencies

$5 + 2+3 + 1=11$

Answer:

C. 11