6. (a) A random sample of 6 houses is drawn. The area of the house (x, in mº) and electricity consumption (y, in $100) a

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6. (a) A random sample of 6 houses is drawn. The area of the house (x, in mº) and electricity consumption (y, in $100) a

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6 A A Random Sample Of 6 Houses Is Drawn The Area Of The House X In Mo And Electricity Consumption Y In 100 A 1
6 A A Random Sample Of 6 Houses Is Drawn The Area Of The House X In Mo And Electricity Consumption Y In 100 A 1 (19.64 KiB) Viewed 26 times
6. (a) A random sample of 6 houses is drawn. The area of the house (x, in mº) and electricity consumption (y, in $100) are recorded below: *, (in m2) 120 100 140 110 120 90 y, (in $100) 7 8 13 9 10 5 i. Calculate the rank correlation coefficient, 's, for the data. (3 marks ii. Find the least squares regression line for predicting electricity consumption. [4 marks)
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