Question

calculate the arthematic mean of the following data by short cut method x= 0,10,20,30,40,50. f=36,26,21,14,10,0​

Answer 1

Step-by-step explanation:

class interval frequency (f) mean value (x) fx

0 - 10 7 5 35

10 - 20 14 15 210

20 - 30 28 25 700

30 - 40 26 35 910

40 - 50 19 45 720

50 - 60 9 55 495

Sum 100 3070

A.M.=

∑f

i

∑f

i

x

i

=

100

3070

=30.7

Answer 2

$\huge\mathcal{\fcolorbox{aqua}{azure} {\red{ Answer}}}$

Hello ! Check my attachment for your answer :)