Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car.

Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars, midsize cars, and full-size cars. It collects a sample of cars each of the cars types. The data below displays the frontal crash test performance percentages. Test whether there are statistical differences in the frontal crash test performance for each type of car.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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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Question

Car Sizes

Compact Cars	Midsize Cars	Full-Size Cars
95	95	93
98	98	97
87	98	92
99	89	92
99	94	84
94	88	87
99	93	88
98	99	89

What conclusions can we draw from the follow-up t-tests?

There is/are a total of ______ statistically significant difference(s) between car type pairs out of the follow-up t-tests.

Options:

a) 1

b) 2

c) 3

d) 4

e) 5

f) 6

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