Question

From the following data, find the number of students having weight between 60 and 70.
Weight (in kg) No.of students
0 - 40 250
40 - 60 120
60 - 80 100
80 - 100 70
100 - 120 50

Answer 1

Answer on Question #85237 – Math – Statistics and Probability

Question

From the following data, find the number of students having weight between 60 and 70.

Weight (in kg) No. of students

0 - 40 250

40 - 60 120

60 - 80 100

80 - 100 70

100 - 120 50

Solution

$$N(60 < W < 70) = \frac{1}{2} N(60 < W < 80) = \frac{1}{2} * 100 = 50.$$

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