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Questi After studying the milk yields of a randomly selected sample of 900 cows, researchers felt that the presence of white spots (WS) on a cow's body led to a different level of milk production (MP) The researchers estmate the OLS regression MP =5 36 + 0 12×WS,, (2 23) (0 08) where WS, is a binary variable of the form 1, if the " cow has white spots WS = 0, if the " cow doesn't have white spots The 95% confidence interval for the coefficient , is . (Round your answers to four decimal places) Based on this interval, we will V the hypothesis B, =0 at the 5% significance level. Which of the following statements describes the way in which the coefficient of the indicator variable could be interpreted in this case? O A. The coefficient is the rate of change in the milk production due to a unit change in the number of cows with white spots O B. The coefficient of the indicator variable is the slope of the regression equation. OC. The coefficient is the difference between the population means of the milk production of cows with and without white spots OD The coetficient is the sum of the conditional expectation of the presence of white spots on a cow with respect to the average milk production Click to select your answer(s). 7:33 PM 4/24/202 P Type here to search

Questi After studying the milk yields of a randomly selected sample of 900 cows, researchers felt that the presence of white spots (WS) on a cow's body led to a different level of milk production (MP) The researchers estmate the OLS regression MP =5 36 + 0 12×WS,, (2 23) (0 08) where WS, is a binary variable of the form 1, if the " cow has white spots WS = 0, if the " cow doesn't have white spots The 95% confidence interval for the coefficient , is . (Round your answers to four decimal places) Based on this interval, we will V the hypothesis B, =0 at the 5% significance level. Which of the following statements describes the way in which the coefficient of the indicator variable could be interpreted in this case? O A. The coefficient is the rate of change in the milk production due to a unit change in the number of cows with white spots O B. The coefficient of the indicator variable is the slope of the regression equation. OC. The coefficient is the difference between the population means of the milk production of cows with and without white spots OD The coetficient is the sum of the conditional expectation of the presence of white spots on a cow with respect to the average milk production Click to select your answer(s). 7:33 PM 4/24/202 P Type here to search

MATLAB: An Introduction with Applications
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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After studying the milk yields of a randomly selected sample of 900 cows, researchers felt that the presence of white spots (WS,) on a cow's body led to a different level of milk production (MP). The researchers estimate the OLS regression: Question He MP = 5.36 +0.12×WS;, (2.23) (0.08) where WS, is a binary variable of the form: 1, if the cow has white spots WS, = { 0, if the i" cow doesn't have white spots The 95% confidence interval for the coefficient B, is ( ). (Round your answers to four decimal places.) Based on this interval, we will Vthe hypothesis B, = 0 at the 5% significance level. Which of the following statements describes the way in which the coefficient of the indicator variable could be interpreted in this case? A. The coefficient is the rate of change in the milk production due to a unit change in the number of cows with white spots. B. The coefficient of the indicator variable is the slope of the regression equation. C. The coefficient is the difference between the population means of the milk production of cows with and without white spots. D. The coefficient is the sum of the conditional expectation of the presence of white spots on a cow with respect to the average milk production. Click to select your answer(s). 7:33 PM 4/28/2021 DELL P Type here to search
Transcribed Image Text:After studying the milk yields of a randomly selected sample of 900 cows, researchers felt that the presence of white spots (WS,) on a cow's body led to a different level of milk production (MP). The researchers estimate the OLS regression: Question He MP = 5.36 +0.12×WS;, (2.23) (0.08) where WS, is a binary variable of the form: 1, if the cow has white spots WS, = { 0, if the i" cow doesn't have white spots The 95% confidence interval for the coefficient B, is ( ). (Round your answers to four decimal places.) Based on this interval, we will Vthe hypothesis B, = 0 at the 5% significance level. Which of the following statements describes the way in which the coefficient of the indicator variable could be interpreted in this case? A. The coefficient is the rate of change in the milk production due to a unit change in the number of cows with white spots. B. The coefficient of the indicator variable is the slope of the regression equation. C. The coefficient is the difference between the population means of the milk production of cows with and without white spots. D. The coefficient is the sum of the conditional expectation of the presence of white spots on a cow with respect to the average milk production. Click to select your answer(s). 7:33 PM 4/28/2021 DELL P Type here to search
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