SizeHwy MPGCompact30Compact31Compact31Compact33Compact29Compact31Compact27Compact30Compact35Compact32Compact32Compact36Compact34Compact30Compact31Compact29Compact38Compact37Compact36Compact38Compact36Compact40Compact40Compact32Compact37Compact40Compact35Compact35Compact33Compact32Compact39Compact36Compact41Compact44Compact44Compact44Compact31Compact29Compact31Compact40Compact40Compact38Compact40Compact34Compact33Compact31Compact32Compact40Compact40Compact34Compact35Compact33Compact33Compact29Compact28Compact40Compact39Compact31Compact34Compact34Compact30Compact31Compact29Compact25Compact22Compact23Compact38Compact36Compact32Compact34Compact31Compact36Compact34Compact25Compact23Compact30Compact29Compact31Compact31Compact32Compact33Compact30Compact32Compact29Compact30Compact40Compact34Compact31Compact31Compact34Compact34Compact46Compact35Compact38Compact29Compact34Compact31Compact32Compact33Compact28Compact27Compact33Compact30Compact31Compact33Compact29Compact30Compact29Compact28Compact29Compact26Compact28Compact29Compact29Compact29Compact25Compact23Compact22Compact23Compact22Compact20Compact18Compact24Compact24Compact19Compact19Compact22Compact25Compact25Midsize33Midsize34Midsize32Midsize30Midsize31Midsize30Midsize31Midsize33Midsize30Midsize29Midsize36Midsize32Midsize36Midsize36Midsize29Midsize27Midsize32Midsize27Midsize36Midsize31Midsize31Midsize38Midsize38Midsize35Midsize36Midsize39Midsize42Midsize33Midsize33Midsize37Midsize40Midsize40Midsize40Midsize36Midsize34Midsize32Midsize32Midsize37Midsize34Midsize35Midsize35Midsize40Midsize39Midsize38Midsize31Midsize30Midsize25Midsize32Midsize34Midsize31Midsize30Midsize28Midsize31Midsize27Midsize25Midsize35Midsize39Midsize38Midsize48Midsize28Midsize28Midsize31Midsize30Midsize30Midsize29Midsize29Midsize27Midsize27Midsize28Midsize27Midsize25Midsize26Midsize25Midsize27Midsize27Midsize26Midsize27Midsize26Midsize26Midsize26Midsize27Midsize29Midsize24Midsize26Midsize25Midsize27Midsize30Midsize27Midsize26Midsize29Midsize32Midsize27Midsize27Midsize25Midsize26Midsize25Midsize24Midsize25Midsize28Midsize30Midsize28Midsize28Midsize23Midsize22Midsize24Midsize20Midsize23Midsize23Midsize23Midsize18Midsize19Midsize21Midsize23Midsize24Midsize24Midsize23Midsize24Midsize24Midsize23Midsize23Midsize23Large34Large34Large34Large35Large35Large28Large25Large25Large27Large27Large31Large27Large31Large27Large27Large28Large27Large25Large26Large25Large25Large23Large30Large30Large30Large29Large29Large25Large27Large30Large28Large28Large22Large22Large22Large24Large22Large22Large19Large20Large20Large20Large20Large23Large23Large23Large26Large26Large25Large23Large21Large21Large22Large25Large23Large24Large24Large23Large23 A statistical program is recommended.The Department of Energy and the U.S. Environmental Protection Agency's 2012 Fuel Economy Guide provides fuel efficiency data for 2012 model year cars and trucks. t The file named CarMileage provides a portion of the data for 309 cars. The column labeled Size identifies the size of the car (Compact, Midsize, and Large) andthe column labeled Hwy MPG shows the fuel efficiency rating for highway driving in terms of miles per gallon. Use a = 0.05 and test for any significant difference in the mean fuel efficiency rating for highway driving among the three sizes of cars. (Hint: you will need to re-organize the data to create indicator variables for thequalitative data).State the null and alternative hypotheses.O Ho: One or more of the parameters is not equal to zero.H: B1 = 82 = 0O Ho: B, = B2 = 0H.: One or more of the parameters is not equal to zero.O Ho: Bo + 0H: B, = 0O Ho: Bo = 0H: Bo + 0Find the value of the test statistic for the overall model. (Round your answer to two decimal places.)Find the p-value for the overall model. (Round your answer to three decimal places.)p-value =State your conclusion.O Do not reject Hn. We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.O Reject H. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.Reject H.. We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.O Do not reject H.. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.

We use ANOVA to do the test as there are more than two classes.

A statistical program is recommended. The Department of Energy and the U.S. Environmental Protection Agency's 2012 Fuel Economy Guide provides fuel efficiency data for 2012 model year cars and trucks.t The file named Cartieage provides a portion of the data for 309 cars. The column labeled Size identifies the size of the car (Compact, Midsize, and Large) and the column labeled Hwy MPG shows the fuel efficiency rating for highway driving in terms of miles per gallon. Use a- 0.05 and test for any significant difference in the mean fuel efficiency rating for highway driving among the three sizes of cars. (Hint: you will need to re-organize the data to create indicator vaniables for the qualitative data). State the null and alternative hypotheses. O Hại One or more of the parameters is not equal to zero. O Mi , - 9 -0 H: One or more of the parameters is not equal to zero. O Mgi Po -0 Find the value of the test statistic for the overall model. (Round your answer to two decimal places.) Find the p-value for the overall model. (Round your answer to three decimal places.) Dvalue State your condlusion. O Do not reject Hg, We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars. O Reject Hg. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars. O Reject H We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among e three sizes of cars. O Do not reject H.. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Related questions

Question

Size	Hwy MPG
Compact	30
Compact	31
Compact	31
Compact	33
Compact	29
Compact	31
Compact	27
Compact	30
Compact	35
Compact	32
Compact	32
Compact	36
Compact	34
Compact	30
Compact	31
Compact	29
Compact	38
Compact	37
Compact	36
Compact	38
Compact	36
Compact	40
Compact	40
Compact	32
Compact	37
Compact	40
Compact	35
Compact	35
Compact	33
Compact	32
Compact	39
Compact	36
Compact	41
Compact	44
Compact	44
Compact	44
Compact	31
Compact	29
Compact	31
Compact	40
Compact	40
Compact	38
Compact	40
Compact	34
Compact	33
Compact	31
Compact	32
Compact	40
Compact	40
Compact	34
Compact	35
Compact	33
Compact	33
Compact	29
Compact	28
Compact	40
Compact	39
Compact	31
Compact	34
Compact	34
Compact	30
Compact	31
Compact	29
Compact	25
Compact	22
Compact	23
Compact	38
Compact	36
Compact	32
Compact	34
Compact	31
Compact	36
Compact	34
Compact	25
Compact	23
Compact	30
Compact	29
Compact	31
Compact	31
Compact	32
Compact	33
Compact	30
Compact	32
Compact	29
Compact	30
Compact	40
Compact	34
Compact	31
Compact	31
Compact	34
Compact	34
Compact	46
Compact	35
Compact	38
Compact	29
Compact	34
Compact	31
Compact	32
Compact	33
Compact	28
Compact	27
Compact	33
Compact	30
Compact	31
Compact	33
Compact	29
Compact	30
Compact	29
Compact	28
Compact	29
Compact	26
Compact	28
Compact	29
Compact	29
Compact	29
Compact	25
Compact	23
Compact	22
Compact	23
Compact	22
Compact	20
Compact	18
Compact	24
Compact	24
Compact	19
Compact	19
Compact	22
Compact	25
Compact	25
Midsize	33
Midsize	34
Midsize	32
Midsize	30
Midsize	31
Midsize	30
Midsize	31
Midsize	33
Midsize	30
Midsize	29
Midsize	36
Midsize	32
Midsize	36
Midsize	36
Midsize	29
Midsize	27
Midsize	32
Midsize	27
Midsize	36
Midsize	31
Midsize	31
Midsize	38
Midsize	38
Midsize	35
Midsize	36
Midsize	39
Midsize	42
Midsize	33
Midsize	33
Midsize	37
Midsize	40
Midsize	40
Midsize	40
Midsize	36
Midsize	34
Midsize	32
Midsize	32
Midsize	37
Midsize	34
Midsize	35
Midsize	35
Midsize	40
Midsize	39
Midsize	38
Midsize	31
Midsize	30
Midsize	25
Midsize	32
Midsize	34
Midsize	31
Midsize	30
Midsize	28
Midsize	31
Midsize	27
Midsize	25
Midsize	35
Midsize	39
Midsize	38
Midsize	48
Midsize	28
Midsize	28
Midsize	31
Midsize	30
Midsize	30
Midsize	29
Midsize	29
Midsize	27
Midsize	27
Midsize	28
Midsize	27
Midsize	25
Midsize	26
Midsize	25
Midsize	27
Midsize	27
Midsize	26
Midsize	27
Midsize	26
Midsize	26
Midsize	26
Midsize	27
Midsize	29
Midsize	24
Midsize	26
Midsize	25
Midsize	27
Midsize	30
Midsize	27
Midsize	26
Midsize	29
Midsize	32
Midsize	27
Midsize	27
Midsize	25
Midsize	26
Midsize	25
Midsize	24
Midsize	25
Midsize	28
Midsize	30
Midsize	28
Midsize	28
Midsize	23
Midsize	22
Midsize	24
Midsize	20
Midsize	23
Midsize	23
Midsize	23
Midsize	18
Midsize	19
Midsize	21
Midsize	23
Midsize	24
Midsize	24
Midsize	23
Midsize	24
Midsize	24
Midsize	23
Midsize	23
Midsize	23
Large	34
Large	34
Large	34
Large	35
Large	35
Large	28
Large	25
Large	25
Large	27
Large	27
Large	31
Large	27
Large	31
Large	27
Large	27
Large	28
Large	27
Large	25
Large	26
Large	25
Large	25
Large	23
Large	30
Large	30
Large	30
Large	29
Large	29
Large	25
Large	27
Large	30
Large	28
Large	28
Large	22
Large	22
Large	22
Large	24
Large	22
Large	22
Large	19
Large	20
Large	20
Large	20
Large	20
Large	23
Large	23
Large	23
Large	26
Large	26
Large	25
Large	23
Large	21
Large	21
Large	22
Large	25
Large	23
Large	24
Large	24
Large	23
Large	23

A statistical program is recommended.
The Department of Energy and the U.S. Environmental Protection Agency's 2012 Fuel Economy Guide provides fuel efficiency data for 2012 model year cars and trucks. t The file named CarMileage provides a portion of the data for 309 cars. The column labeled Size identifies the size of the car (Compact, Midsize, and Large) and
the column labeled Hwy MPG shows the fuel efficiency rating for highway driving in terms of miles per gallon. Use a = 0.05 and test for any significant difference in the mean fuel efficiency rating for highway driving among the three sizes of cars. (Hint: you will need to re-organize the data to create indicator variables for the
qualitative data).
State the null and alternative hypotheses.
O Ho: One or more of the parameters is not equal to zero.
H: B1 = 82 = 0
O Ho: B, = B2 = 0
H.: One or more of the parameters is not equal to zero.
O Ho: Bo + 0
H: B, = 0
O Ho: Bo = 0
H: Bo + 0
Find the value of the test statistic for the overall model. (Round your answer to two decimal places.)
Find the p-value for the overall model. (Round your answer to three decimal places.)
p-value =
State your conclusion.
O Do not reject Hn. We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.
O Reject H. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.
Reject H.. We cannot conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.
O Do not reject H.. We conclude that the mean fuel efficiency rating for highway driving is not the same among the three sizes of cars.

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