X- - a - - fd-N is the formula of

You visited us 6 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Mathematics

Properties of Measures of Central Tendency

x̅ = a + ∑ fd...

Question

$¯ x = a + \frac{\sum f d}{N}$ is the formula of

Median

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Mode

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Arithmetic mean

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Mean deviation

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C Arithmetic mean
To compute the mean value, we use following equation
$¯ x = a + \frac{\sum f d}{N}$
Hence, this is the arithmetic mean formula.

Suggest Corrections

Similar questions

Q. Mean deviation about the mean

¯ x

of the variate x is

\frac{2}{N} [¯ x \sum x_{i} < ¯ x f_{i} - \sum x_{i} < ¯ x f_{i} x_{i}]

. If this is true enter 1 , else enter 0

Q. For a frequency distribution standard deviation is computed by applying the formula
(a)

σ = \sqrt{\frac{Σ f d^{2}}{Σ f} - {(\frac{Σ f d}{Σ f})}^{2}}

(b)

σ = \sqrt{{(\frac{Σ f d}{Σ f})}^{2} - \frac{Σ f d^{2}}{Σ f}}

(c)

σ = \sqrt{\frac{Σ f d^{2}}{Σ f} - \frac{Σ f d}{Σ f}}

(d)

\sqrt{{(\frac{Σ f d}{Σ f})}^{2} - \frac{Σ f d^{2}}{Σ f}}

x = a + \frac{Σ f d}{N}

is the formula of

For the given distinct values $x_{1}, x_{2}, x_{3}, . . . . . x_{n}$ occurring with frequencies $f_{1}, f_{2}, f_{3}, . . . f_{n}$ respectively. The mean deviation about mean where $¯ ¯ ¯ x$ is the mean and N is total number of observations would be

The mid - points of class intervals $x_{i}$ along with respective frequencies $f_{i}$ for recorded observations are given. Calculate the mean deviations about mean $¯ ¯ ¯ x$

Join BYJU'S Learning Program

¯x=a+∑fdN is the formula of

The correct option is C Arithmetic meanTo compute the mean value, we use following equation¯x=a+∑fdNHence, this is the arithmetic mean formula.

$¯ x = a + \frac{\sum f d}{N}$ is the formula of

The correct option is C Arithmetic mean
To compute the mean value, we use following equation
$¯ x = a + \frac{\sum f d}{N}$
Hence, this is the arithmetic mean formula.