arec345ps3data

arec345ps3data - id textbook 1 2 3 4 5 6 7 8 9 10 11 12 13...

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id textbook score nonpoor 1 0 32.34748 0 1 2 1 60.6767 0 3 0 36.8199 0 4 1 59.97848 0 5 1 94.84734 1 6 1 67.58567 1 7 1 89.47661 1 8 0 27.36664 0 9 0 26.91632 0 10 1 60.6944 0 11 0 34.57623 0 12 1 72.79 1 13 1 72.19371 1 14 0 16.21021 0 15 0 3.566154 0 16 0 20.01606 0 17 1 75.53525 1 18 1 68.07047 1 It is not that hard to see the difference between the test scores from the students with and without 19 0 24.23458 0 textbook. The average of test score of students without textbook (indicator: 0) are high much lower 20 0 39.00613 0 than the ones who have textbook(indicator: 1). 21 1 80.59294 1 22 1 80.25801 1 23 1 86.35025 1 2 67.6061098361 is the average score among students who have textbooks. 24 1 73.95139 1 25 0 36.00045 0 30.7554559231 is the average score among students who do not have textbooks. 26 0 49.77136 0 27 1 77.16637 1 Based solely on these two numbers of the average scores from students with and without textbooks, 28 1 75.59013 1 we can conclude that the students with textbook have an average higher test score. Thus, textbooks 29 0 40.46128 0 have positive relation with test scores. 30 1 64.3642 1 31 1 54.13269 1 3 0.0146456517 -0.169651821 #N/A #N/A #N/A #N/A 32 1 75.81052 1 0.0013662757 0.0800465985 #N/A #N/A #N/A #N/A 33 1 83.76164 1 0.5397018438 0.3342749256 #N/A #N/A #N/A #N/A 34 0 11.90193 0 35 0 35.86093 0 36 1 65.15588 1 36.850653913 30.755455923 #N/A #N/A #N/A #N/A 37 0 28.57663 0 3.4377542502 2.6849719019 #N/A #N/A #N/A #N/A 38 1 10.0087 0 0.5397018438 16.767644153 #N/A #N/A #N/A #N/A 39 1 107.5995 1 40 0 32.04168 0 What is your estimate of the impact of textbooks on scores? Report the Excel 41 1 90.80514 1 output, including the standard errors. How does this coefficient estimate compare to your 42 1 84.13176 1 answer to Question 2? What is the t-statistic associated with the coecient on textbook 43 1 29.6261 0 ownership? Can you reject the hypothesis that textbooks are unrelated to test scores? At 44 1 62.4787 1 what level of statistical significance?
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