Question: Please answer all parts to the question below: **I will upvote** Does tuning a car engine improve the gas mileage? A sample of five automobiles

Please answer all parts to the question below: **I will upvote**

Please answer all parts to the question below: **I will upvote** Does

Does tuning a car engine improve the gas mileage? A sample of five automobiles were run to determine their mileage (BT), in miles per gallon (mpg). Then each car was run again after tune-up to measure the mpg (AT). Assume all normal distribution conditions. Determine if tune-up increases the average mag, based on the following data: BT 33.76 34.30 29.55 30.90 24.92 AT 35.44 35.17 31.07 31.57 26.48 Write out the alternative hypothesis, & the test statistic (rounded to 4 decimal places), the order being first BT & then AT. NOTE: Ty is the mean / average of BT, pyy - 2) is the mean of the paired observation in the order first BT & then AT, etc. OA. (1 > 12, & - 0.5361 O B. None of the other answers are correct. O C. 1/1 -2) 10, &-6.1695 OE. Hy

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