Question

plss answer ☺☺ plss answer​

Answer 1

as the class interval is 1.

so, x= 1

Answer 2

logically the first all terms are in AP each having a difference of one. so, X will be 4..

Answer 3

Answer:

Step-by-step explanation:

X = 4...,

Sigma fi xi / Sigma fi = 1.8= 9/5

9/5 = 16+5X/ 20

9/5= 16+5X/20

9/5 x 20 = 16+ 5X

9x4= 16+5X

36-16 =5X

X = Unknown..Lol