Question

   Please please answer correctly who will ans correctly i will mark your ans in brainliest ans and who will ans rubbish their ans will be reported immediately and if possible please ans it on page written by u and then post it

Answer 1

Answer:

a)175

b)2 friends

c)177

Step-by-step explanation:

HOPE IT WILL HELP U

Answer 2

Answer:

Example 1 : The heights of 5 friends (in cm) in a group are given as follows : 175 , 172 , 181 , 167 , 180 .

A) What is the mean height?

Answer :

175 + 172 + 181 + 167 +180

________________________

5

$\frac{875}{5}$

175 .

Mean = 175 cm

b) How many friends have height more than the mean height?

Answer : 2 friends

Explanation : Mean height = 175 cm

As per question,

Height more than 175 cm = 181 cm and 180 cm.

C) The friend who is 167 cm tall leaves the group. What is the new mean height of the remaining friends?

ANSWER : New mean height =

172 + 175 + 180 + 181

__________________ cm

5

$\frac{708}{5}$

141.6 cm

New mean height = 141.6 cm

Step-by-step explanation:

Hope my answer helps you...