Question 1 - Measures of Dispersion — effect of adding/multiplying a constant on standard deviation and variance Practice

Question 1

00:00Est. 2 min

Marks:+4.000.00

Passage

The marks (out of

100

) scored by Manoj in a semester exam are given as

60, 70, 65, 75, 80

. If Nitin has scored

5

marks more than Manoj in each subject, answer the subquestions.

Question

If the teacher wants to give the marks out of

50

and modify the marks for every student as

\text{Modified marks}=\frac{\text{Marks}\times50}{100}

, what is the population variance of the modified marks scored by Manoj?

Comprehension

Medium Difficulty

07 July 2024