Amit M Agarwal Solutions for Chapter: Statistics, Exercise 4: Entrances Gallery
Amit M Agarwal Mathematics Solutions for Exercise - Amit M Agarwal Solutions for Chapter: Statistics, Exercise 4: Entrances Gallery
Attempt the free practice questions on Chapter 20: Statistics, Exercise 4: Entrances Gallery with hints and solutions to strengthen your understanding. Complete Study Pack for Engineering Entrances Objective Mathematics Vol 1 solutions are prepared by Experienced Embibe Experts.
Questions from Amit M Agarwal Solutions for Chapter: Statistics, Exercise 4: Entrances Gallery with Hints & Solutions
The mean of five observations is and their variance is . If three of these observations are and , then the other two are

The of terms is . If one more term is added to this series, then the becomes . The value of the added term is

If the median of is , then the value of is

If the standard deviation of is , then the standard deviation of is

Coefficient of variation of two distributions are and and their arithmetic means are and , respectively. Difference of their standard deviation is

Mean deviation of through mean is

If the value observed are each with frequency and is even, then the mean deviation from mean equals

The mean and variance of observations are and , respectively. If , then the value of is equal to
