List of top Engineering Mathematics Questions on Linear regression

The annual profit of a company depends on its annual marketing expenditure. The information of preceding 3 years' annual profit and marketing expenditure is given in the table. Based on linear regression, the estimated profit (in units) of the 4superscript{th year at a marketing expenditure of 5 units is ............ (Rounded off to two decimal places)} 

The annual profit of a company depends on its annual marketing expenditure. The information of the preceding 3 years' annual profit and marketing expenditure is given in the table. Based on linear regression, the estimated profit (in units) of the 4^th year at a marketing expenditure of 5 units is ............ (Rounded off to two decimal places)