Frequency for the interval 86 - 88 in the given histogram is equals to 10.
What is frequency?
" Frequency is defined as the representation of occurrence of any particular event repeatedly in fixed time interval."
According to the question,
Given histogram shows,
Students with weight between 80 - 82 = frequency 2
Students with weight between 83 - 85 = frequency 6
Students with weight between 86 - 88 = frequency 10
10 students are there having weight between 86 - 88 pounds.
Hence, Option(C) is the correct answer.
Learn more about frequency here
https://brainly.com/question/5102661
#SPJ2