IGNOU BCS-040-Statistical Techniques, Latest Solved Assignment (July 2023 - January 2024 )


Q5) A manager of a car company wants to estimate the relationship between age of cars and annual maintenance cost. The following data from six cars of same model are obtained as:


(a) Construct a scatter diagram for the data given above.

(b) Fit a best linear regression line, by considering annual maintenance cost as the dependent variable and the age of the car as the independent variable. 

(c) Use this regression line to predict the annual maintenance cost for the car of age 8 years.


Graph 1
Graph 2
Graph 2.1
Graph 3


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