Weight (in tons) and fuel economy (in miles/gallon) were measured for a sample of seven diesel trucks. The results are presented below. Weight, a Mileage, y 8.00 7.69 24.5 4.97 4.56 6.49 4.34 6.24 4.45 27.00 14.5 28.5 12.75 21.25 (a) Given the data provided, find the coefficients for the fitted regression line ŷ= Bo + B₁. (b) Write down an estimate for the error variance o². (c) Give a 95% confidence interval for E[ŷr = 14] = 30 + 1481.

Q: Solve. 31 +35(2¹) = 74 X - Round to 4 decimal places.

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Q: If -5 15 39 A = -4 13 35 3 8 then A-1 2 Given b = 3 solve A = 6. ||

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Q: find the value o x 3x-5=0

A: As given question Find value of x     GIVEN 3x-5 = 0 Add 5 on both sides 3x-5+5= 5 3x =5  Devide 3…