the histogram below shows the grade ranges for mrs. grandersons class. student scores on test 4 how many…

the histogram below shows the grade ranges for mrs. grandersons class. student scores on test 4 how many students earned an 80 or better on test 4? there were students who earned an 80 or better on the test.
Answer
Answer:
14
Explanation:
Step1: Identify relevant bars
The bars for 80 - 89 and 90 - 100 are relevant.
Step2: Read frequencies
The frequency of 80 - 89 bar is 8, and of 90 - 100 bar is 6.
Step3: Calculate total
$8 + 6=14$