MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Mean Deviation

The mean devi...

Question

The mean deviation of the variates 40, 62, 68, 76, 54 from their arithmetic mean is

A

9.4

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

B

10

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

C

11

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

D

10.4

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

Open in App

Solution

The correct option is D
10.4

$A . M = \frac{40 + 62 + 68 + 76 + 54}{5} = \frac{300}{5} = 60 ∴ M . D . = \frac{\sum | x_{i} - ¯ x |}{n} = \frac{| 40 - 60 | + | 62 - 60 | + | 68 - 60 | + | 76 - 60 | + | 54 - 60 |}{5} \frac{20 + 2 + 8 + 16 + 6}{5} = \frac{52}{5} = 10.4$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Coefficients of variation of two distributions are

50

60

and their arithmetic mean are

30

25

respectively. Difference of their standard deviation is

Q. Coefficient of variation of two distribution are

50 %

60 %

and their arithmetic means are

30

25

respectively. Difference of their standard deviation is:

Q. The standard deviation is _____________ to the mean deviation taken from the arithmetic mean.

Q. If coefficient of variation is

60

and standard deviation is

24

, then Arithmetic mean is

Q. The coefficient of variations of two series are

58

69

. Their standard deviations are

21.2

51.6

. What are their arithmetic means?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Measure of Dispersion

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon