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
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Mean \(= \frac{sum\hspace{1mm}of\hspace{1mm}all\hspace{1mm}the\hspace{1mm}numbers}{Total\hspace{1mm}Number}\\
\frac{9+13+16+17+19+23+24}{7}\\
\frac{121}{7}=17.2857=17.29\)
Source: Myschool Past Questions Archive (Record #26639)