For a given data set- the mean of the deviations is 120-140 and the assumed mean is 25- Find the mean-0-0324-1425-8629-17

The correct option is C 25.86Mean = mean of deviations + assumed mean nbsp; nbsp; nbsp; nbsp; nbsp;=120/140 + 25 = 25.86 ...

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Standard IX

Mathematics

Mean of Grouped Frequency Distribution by Assumed Mean Method

For a given d...

Question

For a given data set, the mean of the deviations is $\frac{120}{140}$ and the assumed mean is 25. Find the mean.

0.03

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24.14

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25.86

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29.17

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Solution

The correct option is C 25.86
Mean = mean of deviations + assumed mean
$= \frac{120}{140} + 25 = 25.86$

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For a given data set, the mean of the deviations is 120140 and the assumed mean is 25. Find the mean.

The correct option is C 25.86Mean = mean of deviations + assumed mean =120140+25=25.86

For a given data set, the mean of the deviations is $\frac{120}{140}$ and the assumed mean is 25. Find the mean.

The correct option is C 25.86
Mean = mean of deviations + assumed mean
$= \frac{120}{140} + 25 = 25.86$