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
Explanation:
Step1: Identify relevant intervals
Intervals 80 - 89 and 90 - 100 are 80 or better.
Step2: Find frequencies of relevant intervals
Frequency of 80 - 89 is 8, frequency of 90 - 100 is 6.
Step3: Sum the frequencies
$8 + 6=14$
Answer:
14