A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars. One question was the reason that a person chooses a given car, and the data are in the table below. Do the data show that the frequencies observed substantiate the claim that the reasons for choosing a car are equally likely? Test at the 3% level of significance.
A project conducted by the Australian Federal Office of Road Safety asked people many questions about their cars. One question was the reason that a person chooses a given car, and the data are in the table below. Do the data show that the frequencies observed substantiate the claim that the reasons for choosing a car are equally likely? Test at the 3% level of significance.
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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Transcribed Image Text:Check the assumptions:
1. Enter the list of expected values (round values to 2 decimal places):
0.29 x
Are all of the expected values greater than or equal to 5? yes v
2. No N is given, we will assume N
N: Name the test
The conditions are met to use a Chi-Square Goodness-of-Fit Test v
T: Test Statistic
The formula set up of the first and last term of the test statistic are as follows:
Round initial values to 2 decimal places:
(0 - E)?
X2
Σ.
E
Final answer from technology rounded to 2 decimal places:
0: Obtain the P-value
Report the final answer to 4 decimal places.
It is possible when rounded that a p-value is 0.0000
P-value =
M: Make a decision
Since the p-value
we Select an answer

Transcribed Image Text:A project conducted by the Australian Federal Office of Road Safety asked people many questions about
their cars. One question was the reason that a person chooses a given car, and the data are in the table
below. Do the data show that the frequencies observed substantiate the claim that the reasons for choosing
a car are equally likely? Test at the 3% level of significance.
Reason for Choosing a Car
safetly
reliability
performance
comfort
looks
Total
cost
Observed
92
69
56
29
46
26
318
Frequencies
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