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
Correct Answer: Option B
Explanation
Mean (= frac{sumhspace{1mm}ofhspace{1mm}allhspace{1mm}thehspace{1mm}numbers}{Totalhspace{1mm}Number}\
frac{9+13+16+17+19+23+24}{7}\
frac{121}{7}=17.2857=17.29)