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