Calculate the least square regression line Y= B0+B1 x with the formula method, justifying your choice for the dependent and independent variables. Round the parameter estimates to 2.d.p B. Calculate and interpret the value of the sample the correlation coefficient r. Carry out a t-test for the null hypothesis that the true value of the correlation coefficient is equal to 0. Report the value of the correlation coefficient and test statistic round to 2.dp C. What daily expenditure per capita on food would be predicted for a household with a daily income per capita of 30 pounds

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