Question

of eat chraserasing
A
Class Intervals frequency classmarks
(sin
(f)
-6
6.
di-di-a fr di
66.5
65+683 66.5-755 2 a
2 al
2665
.9
65- 68
2
a 18
28.5-68.5
4X6
J
68 - 71
69.5
-24
stote
3x3
3
71 - 76
72.5-755
725
755-165
74 - 77
Essa)
8xoro
78.5-785
tx-3
-21
78.5
7
77 - 80
+3
Thursde
81.5- 75.5
80 - 83
GX-6
81.0
4
---6
86.5 - 755
2
2x-9
2-18
spital
83 86
84.5
--9
{fidi=119
{firgo
.ts per
Mean hafi & fidi
nmarälsed
per
itable
& fi
a 76.5 79
30 in assumed mean method​

Answer 1

Answer:

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