Help finding: Test the null hypothesis that the mean head injury for each vehicle type is the same at theα=0.01level of significance.What is the F0What is the P ValueDraw a box plot A highway safety institution conducts experiments in which cars are crashed into a fixed barrier at 40 mph. In the institute's 40-mph offset test, 40% of the total width of each vehicle strikes a barrier on the driver's side. Thebarrier's deformable face is made of aluminum honeycomb, which makes the forces in the test similar to those involved in a frontal offset crash between two vehicles of the same weight, each going just less than 40 mph. Youare in the market to buy a family car and you want to know if the mean head injury resulting from this offset crash is the same for large family cars, passenger vans, and midsize utility vehicles (SUVS). The data in theaccompanying table were collected from the institute's study. Complete parts (a) through (d) below.Click the icon to view the data table.Head injuries.....(a) State the null and alternative hypotheses.A. Ho: HCars = HVans = HsUVs and H,: at least one mean is differentLarge Family Cars Passenger Vans Midsize Utility Vehicles (SUVS)B. Ho: HCars = HVans = HsUVs and H,: all means are different261148224134240215O C. Ho: HCars = Hvans = Hsuvs and H,: HCars < HVans

Answered: Help finding: Test the null…

Help finding: Test the null hypothesis that the mean head injury for each vehicle type is the same at the α=0.01 level of significance. What is the F0 What is the P Value Draw a box plot

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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Question

Help finding:

Test the null hypothesis that the mean head injury for each vehicle type is the same at the
α=0.01
level of significance.
1. 1. What is the F0
  2. What is the P Value
Draw a box plot

A highway safety institution conducts experiments in which cars are crashed into a fixed barrier at 40 mph. In the institute's 40-mph offset test, 40% of the total width of each vehicle strikes a barrier on the driver's side. The
barrier's deformable face is made of aluminum honeycomb, which makes the forces in the test similar to those involved in a frontal offset crash between two vehicles of the same weight, each going just less than 40 mph. You
are in the market to buy a family car and you want to know if the mean head injury resulting from this offset crash is the same for large family cars, passenger vans, and midsize utility vehicles (SUVS). The data in the
accompanying table were collected from the institute's study. Complete parts (a) through (d) below.
Click the icon to view the data table.
Head injuries
.....
(a) State the null and alternative hypotheses.
A. Ho: HCars = HVans = HsUVs and H,: at least one mean is different
Large Family Cars Passenger Vans Midsize Utility Vehicles (SUVS)
B. Ho: HCars = HVans = HsUVs and H,: all means are different
261
148
224
134
240
215
O C. Ho: HCars = Hvans = Hsuvs and H,: HCars < HVans <Hsuvs
411
343
184
525
695
307
(b) Normal probability plots indicate that the sample data come from normal populations. Are the requirements to use the one
148
546
355
A. No, because the populations are not normally distributed.
632
468
554
166
321
399
B. No, because the largest sample standard deviation is more than twice the smallest sample standard deviation.
C. Yes, all the requirements for use of a one-way ANOVA procedure are satisfied.
D. No, because the samples are not independent.
Print
Done
(c) Test the hypothesis that the mean head injury for each vehicle type is the same at the a = 0.01 level of significance.
Use technology to find the F-test statistic for this data set.
Fo = |(Round to three decimal places as needed.)

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