Question

find modal height




pls find it correctly​
pls tell me fast..

Answer 1

Answer:

Here:

Maximum class frequency =20

The class corresponding to Maximum class frequency is the modal class.

So, Modal class =160−165

Lower limit =L=160

Modal class size =h=5

Frequency of class preceding the modal class =f0=8

Frequency of the modal class =f1=20

Frequency of class succeeding the modal =f2=12

Mode formula is given by,

Mode =L+(2f1−f0−f2f1−f0)×h

Mode =160+(2(20)−8−1220−8)×12

=160+12/20×5

=163

The modal height is 163 cm, which implies maximum number of students have model  height 163 cm

HeightMid Point (xi)No. of students (fi)fixi150−155

152.5 152287.5155−160          157.5                   8                    1260160−165162.5203250165−170167.5