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help on 8 highlight result Use the following scenario to answer the next four questions. A...

help on 8 highlight result
Use the following scenario to answer the next four questions. A researcher wants to see how the number of new cars sold (in t
Question 8 6 pts In billions, predict the revenue of a car company that sold 40 (ten thousands) cars. Enter the number rounde
Use the following scenario to answer the next four questions. A researcher wants to see how the number of new cars sold (in ten thousands) is related to the company's revenue (in billions). The data obtained from a sample are below. Company A B С D E F Cars (x) 63.0 29.0 20.8 19.1 13.4 8.5 Revenue (y) 7.0 3.9 2.1 2.8 1.4 1.5 Question 5 10 pts Calculate the value of the correlation coefficient,r. Enter this number rounded to three digits after the decimal point. 0.982 Question 6 8 pts Calculate the value of a in the linear regression model y = a + bæ. Round your number to three digits after the decimal point. 0.396
Question 8 6 pts In billions, predict the revenue of a car company that sold 40 (ten thousands) cars. Enter the number rounded to one digit after the decimal point. Do not enter the answer multiplied by one billion.
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X 63 29 20.8 19.1 13.4 8.5 Y 7 3.9 2.1 2.8 1.4 1.5 X Y 441 113.1 43.68 53.48 18.76 12.75 X. X 3969 841 432.64 364.81 179.56 7Step 3: Use the following equations to find a and o: α - a 0.396 ΣΥΣΧ2 – ΣΧΣΧΥ 18.7. 5859.26 – 153.8 - 682.77 η-ΣΧ2 – (ΣΧ)? 6Sol lles ÿ = atba where a= 0.396 b = 0.106 that a car company Predict the revenue (y) of sold (x) 40 (10 thousand) cars. X=40

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