a) State the null and alternate hypotheses. b) Would you perform a one-tailed or two-tailed test? Why? c) State the test statistic and p-value of your test. Round your values to four-decimal places. d) Explain your conclusion to reject or fail to reject the null hypothesis in terms of p and a. e) Interpret your conclusion in the context of this problem.
a) State the null and alternate hypotheses. b) Would you perform a one-tailed or two-tailed test? Why? c) State the test statistic and p-value of your test. Round your values to four-decimal places. d) Explain your conclusion to reject or fail to reject the null hypothesis in terms of p and a. e) Interpret your conclusion in the context of this problem.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
sub-question d and e
Transcribed Image Text:Hypothesis Test Assignment
Bold
IV
4. The fuel economy sticker on a new SUV's window sticker indicates the owner can
expect 16 mpg in city driving and 20 mpg highway driving and 18 mpg overall. Accurate
gasoline records for one such vehicle were kept, and a random sample of mileage per
tank of gasoline was collected:
17.6
17.7
18.1
22.0
17.0 19.4 18.9
17.4 21.0
19.2
18.3
19.1
20.7
16.7
19.4 18.2
18.4
17.1
17.4
15.8
17.9
18.0
16.3
17.5
17.3
20.4
19.1
21.0 18.1
19.0
19.6
18.9
18.2
16.8
17.6 19.1
18.0
16.8
20.9
17.9
17.7 20.3
18.6
19.0
16.5
19.4
18.6
18.6 17.3
18.7
Test whether the population average mpg is actually greater than 18 mpg using a 1% level of
significance.
a) State the null and alternate hypotheses.
b) Would you perform a one-tailed or two-tailed test? Why?
c) State the test statistic and p-value of your test. Round your values to four-decimal places.
d) Explain your conclusion to reject or fail to reject the null hypothesis in terms of p and a.
e) Interpret your conclusion in the context of this problem.
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DOD F4
Times New Roman C
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2
F2
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5
13
6
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