Students of class XI obtained following marks in economics.- 15, 15, 18, 16, 20, 21, 25, 25, 16, 18, 22, 24, 25, 20, 18, 22, 24, 24, 25, 23, 20, 15, 16, 17, 19, 18, 22, 22. classify the data in the form of individual series, discrete series, continuious series and cumulative frequency series.
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Answer:
Explanation:
Individual series
X
15
15
15
16
16
16
17
18
18
18
18
19
20
20
20
21
22
22
22
22
23
24
24
24
25
25
25
25
Discrete series f(x)
15 3
16 3
17 1
18 4
19 1
20 3
21 1
22 4
23 1
24 3
25 4
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