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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:Use the following ANOVA table for regression to answer the questions.
Response: Y
Source
DF
Sum Sq
Mean Sq F-value Pr(>F)
Regression
1
353.00
353.00
11.40 0.001
Residual Error 359 11114.64
30.96
Total
360
11467.64
Give the F-statistic and p-value.
Enter the exact answers.
The F-statistic is i
The p-value is i
eTextbook and Media
Hint
63°F Clouc
P Type here to search
End
Uome
 alt="Choose the conclusion of this test using a 5 % significance level.
O Reject Ho. The model is effective.
O Do not reject Hn. We did not find evidence that the model is effective.
O Do not reject Ho. We did not find evidence that the model is not effective.
O Reject Ho. The model is not effective.
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Transcribed Image Text:Choose the conclusion of this test using a 5 % significance level.
O Reject Ho. The model is effective.
O Do not reject Hn. We did not find evidence that the model is effective.
O Do not reject Ho. We did not find evidence that the model is not effective.
O Reject Ho. The model is not effective.
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00
2.
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- r = -0.579 Calculate the coefficient of determination. (Round to three decimal places as needed.) What does this tell you about the explained variation of the data about the regression line? % of the variation can be explained by the regression line. (Round to one decimal place as needed.) About the unexplained variation? % of the variation is unexplained and is due to other factors or to sampling error. (Round to one decimal place as needed.)arrow_forwardWhich of the following tools is not appropriate for studying the relationship between two numerica variables? Correlation coefficient Scatter plot Historam Regressionarrow_forwardPlease fill in the blanks and select the correct answers over the image provided. Thank youarrow_forward
- Interpret the estimated R2 Does the residual plot suggest that the fitted regression line is inappropriate for these data? Explain why or why not. Suppose that a new subject is added to the study data and that subject is 12.5 years old with an ATST of 580 minutes. If the regression model were to be refit with this additional data point, would the new slope be greater than or less than -14.041? Justify your response.arrow_forwardPlease do only the last threearrow_forwardFind the indicated z-score shown in the graph to the right. z Area= 0.0708 z=? 0 A normal curve is over a horizontal z-axis and is centered on 0. A vertical line segment extends from the curve to the horizontal axis at a point labeled z = ?. The area under the curve and to the left of the vertical line segment is shaded and labeled Area = 0.0708. The z-score is enter your response here. (Round to two decimal places as needed.)arrow_forward
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