Statistics And Probability Question 303

Question: The range of following set of observations 2, 3, 5, 9, 8, 7, 6, 5, 7, 4, 3 is

[DCE 1998]

Options:

A) 11

B) 7

C) 5.5

D) 6

Show Answer

Answer:

Correct Answer: B

Solution:

Range $ ={X_{\max }}-{X_{\min }} $ $ =9-2 $ $ =7 $ .