Find out the alternative figure which contains figure

For the random variable X with probability density function f(x) = (x−3)² /5; x = 3, 4, 5, the variance of X is:

For a distribution, mean is 40, median is 40.5 and mode is 41. The distribution is:

With reference to index numbers, which of the following statements is true?

For ANOVA table

the F - statistics is:

Which of the following correctly completes the given statement?

Index number helps in:

(I) determining the cost of living

If the multiple correlation coefficient of X1 on X2 and X3 is zero, then:

Which option is incorrect for the component of ti.me series.