Mathematics, 30.11.2019 01:31 rakanmadi87
The cases that make up this dataset are types of cars. the data include the engine size or displacement (in liters) and horsepower (hp) of67 vehicles sold in a certain country in 2011. use the srm of the horsepower on the engine displacement to complete parts (a) through (c).displacement (liters) horsepower4.3 4305.5 5273.1 3264.1 3531.9 1982.1 2703.1 2373.2 2964.3 3882.2 3153.9 4151.7 1251.6 1814.5 5672.5 1772.4 1672.5 2241.9 1462.6 2983.4 2517.1 3011.9 2313.6 3143.8 3085.3 4015.3 5343.4 2562.9 2666.5 4292.4 1861.4 841.8 1391.5 881.5 1163.6 2973.6 2823.7 3002.5 2013.4 2803.9 2981.5 1362.1 1341.8 1454.8 4271.9 2143.8 2993.9 3292.1 2672.1 2162.8 2991.5 982.1 1442.5 1662.5 1732.3 2641.9 1671.3 952.8 1604.1 2352.4 1781.6 1046.3 4882.6 1691.9 2022.1 1361.9 1143.7 279(a) a manufacturer offers 2.9 and 3.6 liter engines in a particular model car. based on these data, how much more horsepower should one expect the larger engine toproduce? give your answer as a 95% confidence interval.(b) do you have any qualms about presenting this interval as an appropriate 95% range? a. yes, because the value of r^2 is too low. b. noc. yes, because the p-value for the two-sided hypothesis β1 = 0 is too high. d. yes, because there are several outliers in the data and they will have to be removed.(c) based on the fit of this regression model, what is the expected horsepower of a car with a 3.1 liter engine? give your answer as a 95% prediction interval. do you think that the standard prediction interval is reasonable? explain.
Answers: 1
Mathematics, 21.06.2019 15:30
The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y
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Mathematics, 21.06.2019 15:50
3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?
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Mathematics, 21.06.2019 21:00
An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0
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Mathematics, 21.06.2019 23:30
Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.
Answers: 3
The cases that make up this dataset are types of cars. the data include the engine size or displacem...
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