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    This chart shows the investment in 3 sectors i.e. manufacturing, services and defence over a period of five different years. All values are in lakhs (
    Question

    This chart shows the investment in 3 sectors i.e. manufacturing, services and defence over a period of five different years. All values are in lakhs (rupees).

    In which year was the investment in the Service sector closest to the average investment in this sector for the 5 year period?

    A.

    2008

    B.

    2007

    C.

    2006

    D.

    2004

    Correct option is D

    Formula Used:

    Average =  Sum of yearly values5\frac{\text{Sum of yearly values}}{5}​​

    Solution:

    Service sector values from the chart:

    2004: 120.41

    2005: 121.47

    2006: 187.98

    2007: 205.67

    2008: 119.35

    Average = 120.41+121.47+187.98+205.67+119.355=754.885 \frac{120.41 + 121.47 + 187.98 + 205.67 + 119.35}{5} = \frac{754.88}{5}​ = 150.976

    From the Option: Compare each year to average

    Year

    Investment

    Difference from Avg.

    2004

    120.41

    30.57

    2006

    187.98

    37.00

    2007

    205.67

    54.69

    2008

    119.35

    31.63

    Thus, the closest year is 2004

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