Question

Record the heights in centimetres of your classmates and find the mode.

Answer 1

Answer:

Mode = 132 cm

Step-by-step explanation:

Here is the data of heights in cm of Classmates

Height          Frequency      Cumulative Frequency

120-125           5                     5

125-130           7                     12

130-135           13                    25

135-140           4                     29

140-155           1                     30

Mode lies in 130-135 cm

Estimated Mode =  130  + 5 * ( 13 - 7)/((13 - 7) + (13-4))

= 130 + 5 * 6 /15

= 130 + 2

= 132

Mode = 132 cm