find mean CI 0_10/5 , 10_20/8, 20_30/12, 30_40/6, 40_50/9, 50_60/10
plz ans fast
the numbers like /5 or /20 ....... are F
Answers
Solution :-
Class interval Fi Xi FiXi
0 - 10 5 5 25
10 - 20 8 15 120
20 - 30 12 25 300
30 - 40 6 35 210
40 - 50 9 45 405
50 - 60 10 55 550
Total ⅀Fi = 50 ⅀Fixi = 1610.
we know that,
- Mean = ⅀Fixi / ⅀Fi .
Putting value we get,
→ Mean = 1610 / 50
→ Mean = 161 / 5
→ Mean = 32.2 .(Ans.)
Hence, Mean of the given data is 32.2.
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Answer is 32.2.
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