Q2. An economist is interested in the relationship between the disposable income of a family and the amount of money spent annually on food. For a preliminary study, the economist takes a random sample of eight middle-income families of the same size father, mother, and two children). The results are as follows, where x denotes disposable income in thousands of taka and y denotes food expenditure in hundreds of taka. X 30 36 27 20 16 24 19 25 y 45 60 42 40 17 26 39 53 1. Draw a scatter diagram between x and y. 2. Determine and interpret the value of r. 3. Determine the regression equation for the data.

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