TextEdit File Edit Format View Window Help Hypothesis Test Assignment (1) D9E 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 19.2 20.7 16.7 19.4 17.1 17.4 15.8 16.3 17.5 17.3 20.4 22.0 17.0 19.4 18.9 17.4 21.0 18.2 18.4 19.1 18.0 21.0 18.1 19.0 18.3 19.1 17.9 18.0 18.9 16.8 18.2 17.6 19.1 20.3 18.6 19.0 16.5 19.4 18.6 16.8 20.9 17.9 19.6 17.7 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. 99% [4) Thu 10:57 PM
TextEdit File Edit Format View Window Help Hypothesis Test Assignment (1) D9E 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 19.2 20.7 16.7 19.4 17.1 17.4 15.8 16.3 17.5 17.3 20.4 22.0 17.0 19.4 18.9 17.4 21.0 18.2 18.4 19.1 18.0 21.0 18.1 19.0 18.3 19.1 17.9 18.0 18.9 16.8 18.2 17.6 19.1 20.3 18.6 19.0 16.5 19.4 18.6 16.8 20.9 17.9 19.6 17.7 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. 99% [4) Thu 10:57 PM
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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sub-question d and e
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Format View Window Help
Hypothesis Test Assignment (1).rtf
1 Times New Roman Bold
ROID COED GE
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:
22.0
21.0
19.2
17.6 17.7 18.1
18.3 19.1 20.7
17.0
19.4
16.7
19.4 18.9 17.4
18.2 18.4 17.1
20.4 19.1 21.0 18.1
17.4
15.8
17.9 18.0 16.3 17.5
17.3
19.0
16.8
18.2
17.6
19.1
18.0 16.8 20.9 17.9
19.6 18.9
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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Transcribed Image Text:tab
caps lock
C
Format View Window Help
Hypothesis Test Assignment (1).rtf
1 Times New Roman Bold
ROID COED GE
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:
22.0
21.0
19.2
17.6 17.7 18.1
18.3 19.1 20.7
17.0
19.4
16.7
19.4 18.9 17.4
18.2 18.4 17.1
20.4 19.1 21.0 18.1
17.4
15.8
17.9 18.0 16.3 17.5
17.3
19.0
16.8
18.2
17.6
19.1
18.0 16.8 20.9 17.9
19.6 18.9
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.
A W NE
28
P
MacBook Air
80,
MA
A
&
6
7
TextEdit File Edit
S
Q
A
N
@
2
**
W
S
X
#
3
E
D
$
4
C
R
F
%
5
V
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G
B
Y
H
U
N
* 00
8
J
➤11
FB
1
M
(
9
K
F9
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99% [4] Thu 10:57 PM Madelyn Barker Q
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