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A statistical program is recommended. Consider the following data for two variables, x and y x 22 24 26 30 35 40 v 12 |
A statistical program is recommended. Consider the following data for two variables, x and y x 22 24 26 30 35 40 v 12 | 22 | 32 | 36 (a) Develop an estimated regression equation for the data of the form = bg + bx (Round b, to one decimal place and b, to three decimal places.) 39 35 y- (1) Use the results from part (a) to test for a significant relationship between x and y. Use a 0,05 Find the value of the test statistic (Round your answer to two decimal places) F Find the p-value. (Round your answer to three decimal places.) p-value = Is the relationship between x and y significant? Yes, the relationship is significant. O No, the relationship is not significant. Does the scatter diagram suggest an estimated regression equation of the form 9 = 0 + 0,* + byx?? Explain. No, the scatter diagram suggests that a linear relationship may be appropriate. Yes, the scatter diagram suggests that a curvilinear relationship may be appropriate. Yes, the scatter diagram suggests that a linear relationship may be appropriate, O No, the scatter diagram suggests that a curvilinear relationship may be appropriate. (a) Develop an estimated regression equation for the data of the form = b + b * + byx?. (Round be to one decimal place and b, to two decimal places and b, to four decimal places.) y = (e) Use the results from part (d) to test for a significant relationship between x, *?, and y. Use a = 0.05. Is the relationship between x, x, and y significant? Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value Is the relationship between x,x?, and y significant? O Yes, the relationship is significant. No, the relationship is not significant. (f) Use the model from part (d) to predict the value of y when x -25. (Round your answer to three decimal places.)
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