For finding mean by assumed mean method x - a - - f - d- f What does d and f indicate in the formula-

In assumed mean method, nbsp;x nbsp;= a + (∑ f × d)/∑ f nbsp; where , a is the assumed mean, nbsp; d is the deviation from assumed mean i.e., nbsp; ...

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Standard X

Mathematics

Measure of Central Tendency

For finding m...

Question

For finding mean by assumed mean method

$¯ ¯ ¯ x$ = $a + \frac{(\sum f \times d)}{\sum f}$

What does $d$ and $f$ indicate in the formula?

Assumed mean, difference between class mark and assumed mean

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Difference between class mark and assumed mean, assumed frequency

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Difference between class mark and assumed mean, frequency

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Difference between class mark and assumed frequency, assumed mean

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Solution

The correct option is C Difference between class mark and assumed mean, frequency
In assumed mean method,
$¯ ¯ ¯ x = a + \frac{(\sum f \times d)}{\sum f}$

where ,

a is the assumed mean,
d is the deviation from assumed mean i.e., $x_{i} - a$ ,
f is the frequency.

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Similar questions

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.

Q. For a frequency distribution mean deviation from mean is computed by
(a) M.D. =

\frac{Σ f}{Σ f |d|}

(b) M.D. =

\frac{Σ d}{Σ f}

\frac{Σ f d}{Σ f}

(d) M.D. =

\frac{Σ f |d|}{Σ f}

For finding mean by assumed mean method

$¯ ¯ ¯ x$ = a + $\frac{(\sum f \times d)}{\sum f}$

Find the physical representation of a,d and f.

For finding mean by assumed mean method

$¯ ¯ ¯ x$ = $a + \frac{(\sum f \times d)}{\sum f}$

What does $d$ and $f$ indicate in the formula?

In the formula $M e a n = a + \frac{\sum f_{i} d_{i}}{\sum f_{i}}$ , the a stands for assumed mean.

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For finding mean by assumed mean method ¯¯¯x = a+(∑f×d)∑f What does d and f indicate in the formula?

The correct option is C Difference between class mark and assumed mean, frequencyIn assumed mean method, ¯¯¯x=a+(∑f×d)∑f where , a is the assumed mean, d is the deviation from assumed mean i.e., xi−a, f is the frequency.

For finding mean by assumed mean method

$¯ ¯ ¯ x$ = $a + \frac{(\sum f \times d)}{\sum f}$

What does $d$ and $f$ indicate in the formula?

The correct option is C Difference between class mark and assumed mean, frequency
In assumed mean method,
$¯ ¯ ¯ x = a + \frac{(\sum f \times d)}{\sum f}$

where ,

a is the assumed mean,
d is the deviation from assumed mean i.e., $x_{i} - a$ ,
f is the frequency.