Question

What is the calculated value that represents the unexplained variation Calculate when y hat = 9,500 – 250(x) when age = 10, 15, 20, and 22 with an asking price of $8,000 6,000, 5,000 and 4,200 respectively A. 6,727,500 B. 1,352,500 C. 800,080 D. 23,200

Answer 1

x	y
10	8000	7000	1000	1000000
15	6000	5750	250	62500
20	5000	4500	500	250000
22	4200	4000	200	40000
∑Xi=67	∑Yi=23200

So,OPPTION(B)=1,352,500

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