Question

mean heigh of 11friends is 154 cm. if ome friend of height 156cm is left, find the new mean height​

Answer 1

Step-by-step explanation:

the new mean of hight of 10 friends is 153.8cm.

Answer 2

Answer:

153.8

Step-by-step explanation:

mean = sum of height/ number of students

154 = sum of height/11

sum of height= 154×11 1694cm

students=10

new mean = sum of height/ number of height

new mean= 1538/10

new mean=153.8 Answer