Home
Class 9
MATHS
find the arithmetic mean of the followin...

find the arithmetic mean of the following data.

A

15

B

16

C

14.9

D

15.55

Text Solution

Verified by Experts

The correct Answer is:
15.55
mean = (summation of (XiFi)) / ( summation of Fi )
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    NCERT GUJARATI|Exercise EXERCISE 9.1|9 Videos

  • STATISTICS

    NCERT GUJARATI|Exercise EXERCISE 9.2|11 Videos

  • REAL NUMBERS

    NCERT GUJARATI|Exercise EXERCISE - 1.4|37 Videos

  • SURFACE AREAS AND VOLUMES

    NCERT GUJARATI|Exercise EXERCISE 10.4|12 Videos

Similar Questions

Explore conceptually related problems

find the mean of the following data.

Find the family of curves, the subtangent at any point of which is the arithmetic mean of the co-ordinate point of tangency.

Find the mean deviation about the mean for the following data: 6, 7, 10, 12, 13, 4, 8, 12

Find mean deviation about the mean for the following data : {:("x"_(i),2,5,6,8,10,12),("f"_(i),2,8,10,7,8,5):}

Calcualte the mean deviation from the median of the following data :

Find the mean deviation about the mean for the following data:

If the mean of the following data is 7.5, then find the value of 'A'.

Find the mean deviation about the median for the following data: