Consider the following statements: 1. Both variance and standard...

Consider the following statements: 1. Both variance and standard deviation are measures of variability in the population. 2. Standard deviation is the square of the variance. Which of the above statements is/are correct?

Options

A $1$ only
B $2$ only
CBoth $1$ and $2$
DNeither $1$ nor $2$

Correct answer

D. Neither $1$ nor $2$

Step-by-step solution

\sigma=(\text{ S.D. })^2

Practice Statistics on Quantrex Academy →

More from Statistics

Let two lines of regression be x+y+11=0 and 2x+3y+4=0 for some data. What is the value of… NDA 2026 Passage: The frequency distribution of marks obtained by 100 students in a certain… NDA 2026 The standard deviation of 100 observations is 10 . If 5 is multiplied to each of the… NDA 2026 Passage: The frequency distribution of marks obtained by 100 students in a certain… NDA 2026 If the mean of 20 observations, namely x_1,x_2,x_3,…,x_ 20 is 1·414 , then what is the… NDA 2026 If the random variable X has mean 3 and standard deviation 5 , then what is the variance… NDA 2026 The standard deviation of 100 observations is 10. If 20 is added to each observation… NDA 2025 Consider the following statements: I. Mean and variance have the same unit of… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 Consider the following for the two (02) items that follow: The sum and the sum of squares… NDA 2025 The arithmetic mean of 100 observations is 50. If 5 is subtracted from each observation… NDA 2025 The standard deviation of 100 observations is 10. If 5 is added to each observation and… NDA 2025 Consider the following for the two (02) items that follow: The sum and the sum of squares… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 The frequency distribution of the marks obtained by students in a Science examination is… NDA 2025 Full Statistics list Statistics JEE Maths PYQs JEE Mathematics PYQs All NDA PYQs