......plzz help....
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here is your answer.
sorry for late
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Answer:
Option(a) - 22
Step-by-step explanation:
CI frequency Midvalue(xi) fixi
0-10 12 5 60
10-20 16 15 240
20-30 6 25 150
30-40 7 35 245
40-50 9 45 409
---- -------
∑fi = N = 50 ∑fixi = 1104
We have to calculate Mean of the following data.
Mean = ∑fixi/∑fi
= 1104/50
= ~22.
Hence, Mean = 22.
#Hope my answer helped you!
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