Class 10 Ch-14 | Q 90 | Statistics | Support Material | Important Question | MATH | CBSE

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Q 90.
If the mean of the following frequency distribution is 145, find the missing frequencies
(f₁, f₂)
Class Frequency
0–50 8
50–100 12
100–150 f₁
150–200 25
200–250 f₂
250–300 5
Total 50 ____________________________________________________
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