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While computing mean of grouped data, we...

While computing mean of grouped data, we assume that the frequecies are

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Formula to find mean for a grouped data is

Why do we group data?

Why do we group data?

Mean of Grouped Data or discrete frequency distribution

In Calculating the mean of grouped data, grouped in classes of equal width, we may use the formula bar(x)=a+(sumf_(i)d_(i))/(sumf_(i)) Where, a is the assumed mean, a must be one of the mid point of the classes. Is the last statement correct? Justify your answer.

In Calculating the mean of grouped data, grouped in classes of equal width, we may use the formula bar(x)=a+(sumf_(i)d_(i))/(sumf_(i)) Where, a is the assumed mean, a must be one of the mid point of the classes. Is the last statement correct? Justify your answer.

While calculating the mean of a given data by the assumed-mean method, the following values were obtained: A=25. Sigmaf_1d_1=110,Sigmaf_1=50 Find the mean.

Write the formula for the median of a grouped data. Explain symbol with their used meaning.

If mode of a grouped data is 10 and mean is 4, then median will be

Measures Of Central Tendency|Methods To Find Mean Of Grouped Data|Questions (Assumed Mean Method)|Questions (Step Deviation Method)|OMR