Question

Check the following frequency distribution table, consisting of weights of 38 students of a class:

Weights (in kg) Number of students
31 – 35
36 – 40

41 – 45

46 – 50

51 – 55

56 – 60

61 – 65

66 – 70

71 – 75

9
5

14

3

1

2

2

1

1

(i) What is class-interval for classes 31 – 35?

(ii) How many students are there in the range of 41-45 kgs?

Answer 1

Answer:

(I) 31-35 = Lower limit - 31

Upper limit - 35

Median - 33

(ii) 41-45 = 14 students

Step-by-step explanation:

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