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The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59.

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Answer #1
I think this is your dataScores no.of students
40-592
60-754
76-826
83-9415
95-995


Mid point of the class interval ===49.5

There are two methods classifying the data according to the class interval:

1. Exclusive method

2. Inclusive methodThe given data in inclusive type so it changed into exclusive type
39.5-59.52
59.5-75.54
75.5-82.56
82.5-94.515
94.5-99.55
The mid point is also= = 49.5
answered by: ANANDA
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Answer #2
To find the midpoint, you add the lower limit to the upper limit then divide by 2. The midpoint of 40-59 is therefore 49.5
answered by: Confuse guy
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