a. Express the null and alternative hypotheses in symbolic form for this claim. Assume Hã = H1 - 2, where u1 is the population mean cost for the SUV Damage and u2 is the mean cost for the Car Damage. Ho:Hã Select an answer H1:Hã Select an answer b. What is the significance level? α- c. What is the test statistic? Round to 3 decimal places. ? V = d. What is thep -value? Round to 4 decimal places. p = e. Make a decision. Do not reject the null Reject the null f. What is the conclusion? There is sufficient evidence to support the claim that SUVS sustain less damage than cars in a collision. There is not sufficient evidence to support the claim that SUVS sustain less damage than cars in a collision.

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11/15/2020
MyOpenMath
It is a common belief that SUVS are safer than cars. In a collision, does an SUV sustain less damage (cost
of repair) than a car?
SUV Damage
($)
$1,721
Car Damage
($)
$1,274
SUV into Car
Honda CR-V into Honda Civic
Toyota RAV4 into Toyota
$1,434
$2,327
Corolla
Hyundai Tuscon into Kia Forte
$850
$3,223
Volkswagon Tiguan into
Volkswagon Golf
$2,329
$2,058
Jeep Patriot into Dodge
Caliber
$1,415
$3,095
Ford Escape into Ford Focus
$1,470
$3,386
Nissan Rogue into Nissan
Sentra
$2,884
$4,560
Test the claim above at the a = 0.1 level of significance. Note: A normal probability plot of difference
in car damages between SUVS and other cars indicates the population could be normal and a boxplot
indicated no outliers.
a. Express the null and alternative hypotheses in symbolic form for this claim. Assume
Hi = µ1 - µ2, where u1
cost for the Car Damage.
is the population mean cost for the SUV Damage and uz is the mean
Ho: Hi Select an answer
H1:µj Select an answer
b. What is the significance level?
c. What is the test statistic? Round to 3 decimal places.
?
d. What is the p -value? Round to 4 decimal places.
e. Make a decision.
Do not reject the null
Reject the null
f. What is the conclusion?
There is sufficient evidence to support the claim that SUVS sustain less damage than cars in
a collision.
There is not sufficient evidence to support the claim that SUVS sustain less damage than
cars in a collision.
https://www.myopenmath.com/assess2/?cid%3D80488&aid%3D5754732#/print
2/7
Transcribed Image Text:11/15/2020 MyOpenMath It is a common belief that SUVS are safer than cars. In a collision, does an SUV sustain less damage (cost of repair) than a car? SUV Damage ($) $1,721 Car Damage ($) $1,274 SUV into Car Honda CR-V into Honda Civic Toyota RAV4 into Toyota $1,434 $2,327 Corolla Hyundai Tuscon into Kia Forte $850 $3,223 Volkswagon Tiguan into Volkswagon Golf $2,329 $2,058 Jeep Patriot into Dodge Caliber $1,415 $3,095 Ford Escape into Ford Focus $1,470 $3,386 Nissan Rogue into Nissan Sentra $2,884 $4,560 Test the claim above at the a = 0.1 level of significance. Note: A normal probability plot of difference in car damages between SUVS and other cars indicates the population could be normal and a boxplot indicated no outliers. a. Express the null and alternative hypotheses in symbolic form for this claim. Assume Hi = µ1 - µ2, where u1 cost for the Car Damage. is the population mean cost for the SUV Damage and uz is the mean Ho: Hi Select an answer H1:µj Select an answer b. What is the significance level? c. What is the test statistic? Round to 3 decimal places. ? d. What is the p -value? Round to 4 decimal places. e. Make a decision. Do not reject the null Reject the null f. What is the conclusion? There is sufficient evidence to support the claim that SUVS sustain less damage than cars in a collision. There is not sufficient evidence to support the claim that SUVS sustain less damage than cars in a collision. https://www.myopenmath.com/assess2/?cid%3D80488&aid%3D5754732#/print 2/7
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