Perform linear regression

The data below show the price, in pence per kg, charged by a market-stall holder for apples, and the quantity, in kg, sold in a day when she charges these prices. Price/p per kg 75 85 100 115 130 150 Quantity sold/kg 50 47 43 40 35 30 Perform linear regression on these, data taking the price as the independent variable and the quantity sold as the dependent variable, and then choose three FALSE statements. Options. A. Linear regression gives poor fit to data B. The regression coefficient is -0.9987 correct to four decimal places. C. It would not to be wise to extrapolate the quantity of apples she would sell at a price of £1.80 per kg from these data D. The regre... click for more

Non-singular matrix

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matrix proof

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Euclidean; linear dependence

Question in file 1

Euclidean; linear dependence

Question in file 1