Question

maTR:
Calculate arithmetic mean using Direct and Assumed M
• The following table gives height of certain persons:
63
61
59
57
Height (inches)
Number of Persons
10
1
3
7
65
67
69
71
73
11
15
10
2
(Ans. X = 65.82"
no​

Answer 1

Answer:

no idea

sorry no... sorry i didn't understand