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While calculating the mean of a given data by the assumed-mean method, the following values were obtained. A = 25, sum f_id_i = 110, sum f_i = 50. Find the mean.

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While calculating the mean of a given data by the assumed-mean method, the following values were obtained.

`A = 25, sum f_i d_i = 110, sum f_i = 50`.

Find the mean.

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According to assumed-mean method,
ЁЭСе╠Е = ЁЭР┤ +`(sum_i f_i d_i)/(sum _i f_i)`
= 25 +`110/50`
= 25 + 2.2
= 27.2
Thus, mean is 27.2.

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рдкрд╛рда 18: Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive - EXERCISE 18F [рдкреГрд╖реНрда реорепрен]

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рдЖрд░. рдПрд╕. рдЕрдЧреНрд░рд╡рд╛рд▓ Mathematics [English] Class 10
рдкрд╛рда 18 Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and Ogive
EXERCISE 18F | Q 8. | рдкреГрд╖реНрда реорепрен
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