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JAMB Economics 2019 Paper

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Question : 11

Total: 80

The arithmetic mean of 5, 8, 10, 15, 24 and 28 is_______

145
15
90
6

Solution:

Arithmetic

Mean

=

∑X

N

,

where N = Number of observation and X is observations

Therefore;

$\frac{5 + 8 + 10 + 15 + 24 + 28}{6}$

= $\frac{90}{6}$ = 15

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