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For numbers 9 and 10: Nathan, a friend of Jonard, wants to predict the petal length (plength, cm) of the blue flag flower using petal width (0 < pwidth < 3, cm) and stem length (4 < slength < 8, cm) of the flower as predictors. After analyzing the collected data using a = 0.05, he summarized the software outputs as presented below. Estimate Std. Error tc p-value Intercept 3.844 . 4.548 0.845 0.426 pwidth 1.125 0.453 2.484 0.042 slength -0.046 0.044 -1.048 0.329 Multiple R-squared Adjusted R-squared p-value (model) 0.9132 0.8884 0.0001928 9. Which of the following is(are) TRUE? 1. Given the results of the test of the significance of the model, it is appropriate for Nathan to proceed testing the significance of the individual regression coefficients. II. The variation in the petal length that is explained by petal width and stem length is 88.84% while the remaining percent is explained by other factors not considered in the model. OA. I only O B. II only OC. Both I and II OD. Neither I nor II

For numbers 9 and 10: Nathan, a friend of Jonard, wants to predict the petal length (plength, cm) of the blue flag flower using petal width (0 < pwidth < 3, cm) and stem length (4 < slength < 8, cm) of the flower as predictors. After analyzing the collected data using a = 0.05, he summarized the software outputs as presented below. Estimate Std. Error tc p-value Intercept 3.844 . 4.548 0.845 0.426 pwidth 1.125 0.453 2.484 0.042 slength -0.046 0.044 -1.048 0.329 Multiple R-squared Adjusted R-squared p-value (model) 0.9132 0.8884 0.0001928 9. Which of the following is(are) TRUE? 1. Given the results of the test of the significance of the model, it is appropriate for Nathan to proceed testing the significance of the individual regression coefficients. II. The variation in the petal length that is explained by petal width and stem length is 88.84% while the remaining percent is explained by other factors not considered in the model. OA. I only O B. II only OC. Both I and II OD. Neither I nor II

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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For numbers 9 and 10: Nathan, a friend of Jonard, wants to predict the petal length (plength, cm) of the blue flag flower using petal width (0 < pwidth <3, cm) and stem length (4 < slength < 8, cm) of the flower as predictors. After analyzing the collected data using a = 0.05, he summarized the software outputs as presented below. Estimate Std. Error tc p-value Intercept 3.844 4.548 0.845 0.426 pwidth 1.125 0.453 2.484 0.042 slength -0.046 0.044 -1.048 0.329 Multiple R-squared Adjusted R-squared p-value (model) 0.9132 0.8884 0.0001928 9. Which of the following is(are) TRUE? 1. Given the results of the test of the significance of the model, it is appropriate for Nathan to proceed testing the significance of the individual regression coefficients. II. The variation in the petal length that is explained by petal width and stem length is 88.84% while the remaining percent is explained by other factors not considered in the model. OA. I only OB. II only O C. Both I and II OD. Neither I nor II
Transcribed Image Text:For numbers 9 and 10: Nathan, a friend of Jonard, wants to predict the petal length (plength, cm) of the blue flag flower using petal width (0 < pwidth <3, cm) and stem length (4 < slength < 8, cm) of the flower as predictors. After analyzing the collected data using a = 0.05, he summarized the software outputs as presented below. Estimate Std. Error tc p-value Intercept 3.844 4.548 0.845 0.426 pwidth 1.125 0.453 2.484 0.042 slength -0.046 0.044 -1.048 0.329 Multiple R-squared Adjusted R-squared p-value (model) 0.9132 0.8884 0.0001928 9. Which of the following is(are) TRUE? 1. Given the results of the test of the significance of the model, it is appropriate for Nathan to proceed testing the significance of the individual regression coefficients. II. The variation in the petal length that is explained by petal width and stem length is 88.84% while the remaining percent is explained by other factors not considered in the model. OA. I only OB. II only O C. Both I and II OD. Neither I nor II
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