Math, asked by barmanniladri8, 10 months ago

Determine the median and the first and third quartile of the data given below.
Class Interval
0-10,
10-20,
20-30,
30-40,
40-50,
50-60,
60-70,
70-80
Frequency
3,
10,
17,
7,
6,
4,
2,
1​

Answers

Answered by Anonymous
4

Step-by-step explanation:

CI F CF

0-10 3 3

10-20 10 13

[20-30 17 30]

30-40 7 37

40-50 6 43

50-60 4 47

60-70 2 49

70-80 1 50

€F = 50

Median class = n/2 => 50/2 => 25

Median = l1 + n/2 - CF × H

---------------

F

= 20 + (25 - 13)/20 × 10

= 20 + 2.4

= 22.4

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