In analyzing the effects of an after-school reading program, you run a regression analysis with program participation as the independent variable (0 = control group; 1 = intervention group) and scores...

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In analyzing the effects of an after-school reading program, you run a regression analysis with program participation as the independent variable (0 = control group; 1 = intervention group) and scores on a reading comprehension exam after the program as the dependent variable.

1. Is the effect of the after-school reading program statistically significant? How can you tell, and what does this mean?

Extracted text: In analyzing the effects of an after-school reading program, you run a regression analysis with program participation as the independent variable (0 = control group; 1 = intervention group) and scores on a reading comprehension exam after the program as the dependent variable. Using the Excel output below, answer the following questions: 1. Is the effecet of the after-school reading program statistically significant? How can you tell and what does this mean? 2. What does the slope coefficient tell you exactly? Interpret it in the context of the evaluation described above. Regression Statistics Multiple R 0.698942137 R Square 0.488520112 Adjusted R Square 0.460104562 Standard Error 39.31419026 Observations 20 ANOVA of MS Significance F F Regression 1 26572.05 26572.05 17.19199954 0.000606411 Residual 18 27820.9 1545.605556 Total 19 54392.95 Coefficients t Stat Upper 95% Upper 95.0% Standard Error P-value Lower 95% Lower 95.0% Intercept Program Participation 193 12.43223856 15.52415513 7.24556E-12 166.880836 219.119164 166.880836 219.119164 72.9 17.58184038 4.146323617 0.000606411 35.96192404 109.838076 35.96192404 109.838076