Question on: WAEC Mathematics - 2004
Find, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.
A
23.00
B
17.29
C
16.50
D
16.33
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Correct Option: B
Mean \(= \frac{sum\hspace{1mm}of\hspace{1mm}all\hspace{1mm}the\hspace{1mm}numbers}{Total\hspace{1mm}Number}\
\frac{9+13+16+17+19+23+24}{7}\
\frac{121}{7}=17.2857=17.29\)
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