Find, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.
- 23.00
-
17.29
- 16.50
- 16.33
The correct answer is: B
Explanation
Mean \(= \frac{sum\hspace{1mm}of\hspace{1mm}all\hspace{1mm}the\hspace{1mm}numbers}{Total\hspace{1mm}Number}\\
\frac{9+13+16+17+19+23+24}{7}\\
\frac{121}{7}=17.2857=17.29\)