Question

if the median and mode of an observation are 8 and 4 respectively then find the mean of the observations​

Answer 1

Answer:

op bhai

Step-by-step explanation:

kya mast question hai

Answer 2

Answer:

If the mean and standard deviation of observations x

1

,x

2

...,x

n

are

X

and σ respectively, then the mean and standard deviations of ax

1

,ax

2

...,ax

n

are a

X

and ∣a∣σ respectively.

∴ New mean=8×3=24 and, New standard deviation=3×4=12.