Question

A class of 25 students reported on the number of books read during the first half of the school year. The data is as follows :

Number of books = 1,2,3,4,5,6,7,8
Number of students = 1,3,7,2,6,2,0,4

Find the mode for this grouped data.

Answer 1

Answer:

Let the heights (in cm) of 10 students of our class be

125, 127, 132, 133, 134, 136,138, 141, 144, 146

Highest value among these observations = 146

Lowest value among these observations = 125

Range = Highest value − Lowest value

= (146 − 125) cm

= 21 cm

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