The Table given below presents the figures of the production (in thousands) of different types of vehicles by a company during the years 2013-2018.

In how many years is the production of type C vehicles, below the average production of type D vehicles over six years?

4

Average production of D = \(\frac{65+63+73+71+70+72 }{6}\)

= \(\frac{ 414 }{6}\)

= 69

Production of C in year 2013 , 2014 , 2015 & 2016 is 47 , 67 , 66 & 65 respectively which is less than 69.

Ans :- 4