Question

ans ques now class 10​

Answer 1

Answer:

Your Answer is 7.

I explain you

First you write this table then in third row you put heading class marks

Then, you divided first row

so,your answer is

class marks

3

5

7

9

Then you do total

so,your answer is 24

Then in fourt row you write xifi

And multiple second and third row

so your answer is

Xifi

6

10

35

54

Then you do total

so,your answer is 105

Now,mean you used mean formula

X bar=segma xifi/fi

x bar=105/15

x bar=7 its your a answer.

Its help you

Thank ypu