Question

the distribution below gives the weight of 30 students of a class find median
weight 40-45 45-50 50-55 55-60 60-65 65-70 70-75
number of students 2 3 8 6 6 3 2​

Answer 1

Answer:

weight no. of students cf

40-45 2 2

45-50 3 5

50-55 8 13

55-60 6 19

60-65 6 25

65-70 3 28

70-75 2 30

n=30

n/2=30/2=15