2. This is a OrightO twoO left tailed test and the distribution used is OZ OT The Degrees of Freedom are 06 ON/A; this is a Z-test 07 08 3. The STS (round to 3 decimals) is: The P-value (round to 4 decimals) is: 4. The decision at a = 0.10 is: %3! O Reject Ho since P > a O Reject Ho since P a The conclusion is: O There is insufficient evidence to conclude that there is not a statistically significant linear correlation O There is sufficient evidence to conclude that there is a statistically significant linear correlation O There is sufficient evidence to conclude that there is not a statistically significant linear correlation O There is insufficient evidence to conclude that there is a statistically significant linear correlation
2. This is a OrightO twoO left tailed test and the distribution used is OZ OT The Degrees of Freedom are 06 ON/A; this is a Z-test 07 08 3. The STS (round to 3 decimals) is: The P-value (round to 4 decimals) is: 4. The decision at a = 0.10 is: %3! O Reject Ho since P > a O Reject Ho since P a The conclusion is: O There is insufficient evidence to conclude that there is not a statistically significant linear correlation O There is sufficient evidence to conclude that there is a statistically significant linear correlation O There is sufficient evidence to conclude that there is not a statistically significant linear correlation O There is insufficient evidence to conclude that there is a statistically significant linear correlation
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:2. This is a OrightO twoO left tailed test and the distribution used is
Oz
OT
The Degrees of Freedom are
06
ON/A; this is a Z-test
07
08
3. The STS (round to 3 decimals) is:
The P-value (round to 4 decimals) is:
4. The decision at a = 0.10 is:
O Reject Ho since P > a
O Reject Ho since P < a
O Do not reject Ho since P < a
O Do not reject Ho since P > a
The conclusion is:
O There is insufficient evidence to conclude that there is not a statistically significant linear
correlation
O There is sufficient evidence to conclude that there is a statistically significant linear correlation
O There is sufficient evidence to conclude that there is not a statistically significant linear correlation
O There is insufficient evidence to conclude that there is a statistically significant linear correlation
MacBook Air
80
F3
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77
F7
11
F8
F4
F5
F6
F9
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&
*

Transcribed Image Text:To examine the linear correlation between adult age and weight, data was collected from 8 adults. See the
table below.
Age
Weight
(Years)
(pounds)
35
223
38
231
48
121
50
148
52
219
55
210
56
132
57
218
Does this result suggest that the correlation is statistically significant? Use a = 0.10.
Important Note: Round your value for r to three decimals before computing the STS. DO NOT use the built-
in LinRegTTest on a calculator because you might get marked wrong. When computing the P-value, use the
rounded STS.
1. Select the correct statement:
O Even if the correlation is found to be statistically significant, that does not necessarily mean that
changes in x cause changes in y
O If the correlation is found to be statistically significant, that means that changes in x cause changes
in y
The hypotheses are:
O Ho:r = 0; Ha:r#0
O Ho:r < 0; Ha:r> 0
O Ho:p = 0; Ha:p+ 0
O Ho:p 2 0; Ha:p<0
O Ho:p < 0; Ha:p> 0
O Ho:r > 0; Ha:r <0
MacBook Air
20
F3
000
11
F8
F4
F5
F6
F7
F9
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