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NDA Mathematics 21 April 2024
MCQ (Single Correct Answer)
+2.5
-0.83
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Consider the following for the next two (02) items that follow:

The marks obtained by 10 students in a Statistics test are 24, 47, 18, 32, 19, 15, 21, 35, 50 and 41.

What is the variance of the largest five observations?

A

14.6

B

21.8

C

25.2

D

46.8

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