Fermi · Concept Library · Courses · Books · Problems · Simulations · Math Wiki · High School

Fermi › Problems

Mathematics

Mathematics

Problem

The marks (out of 10) obtained by four students are 6, 7, 8 and 9. What is the population variance of these marks? a)

1.667

b)

1.118

c)

1.25

d)

5.00

Browse the problem library