Project 3_word

# Project 3_word - 1 It is not that hard to see the...

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1. It is not that hard to see the difference between the test scores from the students with and without textbook. The average of test score of students without textbook (indicator: 0) are high much lower than the ones who have textbook (indicator: 1). 2. 67.60610984 is the average score among students who have textbooks. 30.75545592 is the average score among students who do not have textbooks. Based solely on these two numbers of the average scores from students with and without textbooks, we can conclude that the students with textbook have an average higher test score. Thus, textbooks have positive relation with test scores. 3. 36.8506539 1 30.7554 6 #N/A #N/A #N/A #N/A 3.43775425 2.68497 2 #N/A #N/A #N/A #N/A 0.53970184 4 16.7676 4 #N/A #N/A #N/A #N/A (score, textbook, true, true) What is your estimate of the impact of textbooks on scores? Report the Excel output, including the standard errors. How does this coefficient estimate compare to your answer to Question 2? Using t-stat or?? What is the t-statistic associated with the coefficient on textbook, ownership?

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