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Mnenie [13.5K]
2 years ago
9

This box plot shows information about the marks scored in a test.

Mathematics
1 answer:
aliina [53]2 years ago
4 0
Since 120 students gained less than 70, and 70 is the upper quartile, 120 people are in the 75% of all the students so we need to find the total number of students.
we need to multiply 0.75 (75%) by something to get 120. which is 160 (the total number of all students).
and since 48 is the median score, find 50% of 160 which is 80!
hope this helps :)
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