In crash tests at 5 mph, the mean bumper repair cost for 14 randomly selected small cars is $ 473 with a standard deviation of $ 190. In a similar test of 23 randomly selected midsize cars, the mean bumper repair cost is $ 741 with a standard deviation of $205. At a α = 0.10 can you conclude that the mean bumper repair is less for small cars than it is for midsize cars? Assume the variances are equal. Is the data pooled? Group of answer choices No answer text provided. No answer text provided. Yes No

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In crash tests at 5 mph, the mean bumper repair cost for 14 randomly selected small cars is $ 473 with a standard deviation of $ 190. In a similar test of 23 randomly selected midsize cars, the mean bumper repair cost is $ 741 with a standard deviation of $205. At a α = 0.10 can you conclude that the mean bumper repair is less for small cars than it is for midsize cars? Assume the variances are equal.

Is the data pooled?

Group of answer choices
No answer text provided.
No answer text provided.
Yes
No
 
 
 
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