MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Suppose you are testing the null hypothesis that the slope of the regression line is zero versus the
alternative hypothesis that the slope is different than zero. Would a very small P-value (i.e., less
than 0.0001) indicate a strong relationship between the explanatory variable and the response
variable?
Yes, because the P-value will give the strength of the association between the explanatory variable and the
response variable.
Yes, because if the P-value is small, then r2 is large.
No, because there could be a lot of scatter about the regression line, indicating a weak relationship between
the explanatory variable and the response variable.
No, because a large P-value would indicate a strong relationship between the explanatory variable and the
response variable.
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Transcribed Image Text:Suppose you are testing the null hypothesis that the slope of the regression line is zero versus the alternative hypothesis that the slope is different than zero. Would a very small P-value (i.e., less than 0.0001) indicate a strong relationship between the explanatory variable and the response variable? Yes, because the P-value will give the strength of the association between the explanatory variable and the response variable. Yes, because if the P-value is small, then r2 is large. No, because there could be a lot of scatter about the regression line, indicating a weak relationship between the explanatory variable and the response variable. No, because a large P-value would indicate a strong relationship between the explanatory variable and the response variable.
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