Question

Find the 'mode' of the frequency distribution table given below.
Class internal Frequency
0 - 10
7
10 - 20
9
20 - 30
15
30-40
11
40 - 50
8​

Answer 1

Step-by-step explanation:

Mode=l+{f1-f2/2f1-f0-f2}

=20+{15-11/30-9-11}

=20+4/10

=20+0.4

=20.4

Answer 2

Answer:

ans 26

Step-by-step explanation:

modal class- (20-30)

l (lower class limit) -20

f1=15

f0=9

f2=11

h=10

l+ (f1-f0/2f1-f0-f2) . 10

20+(15-9/2.15-9-11 ) .10

20+(6/30-9-11).10

20+6/10).10

20+6

=26