# Exam 3 C - STA 3024 Introduction to Statistics 2 Exam 3...

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Unformatted text preview: STA 3024 Introduction to Statistics 2 Exam 3 Form C We, the members of the University of Florida community, pledge to hold ourselves and our peers to the highest standards of honesty and integrity. Name UFID# Signature Some formulas which you might find useful are b = r S Y S X SS Tot = n X i =1 Y i- ¯ Y 2 df Tot = n- 1 F = MS Regr MS Res a = ¯ Y- b ¯ X SS Regr = n X i =1 ˆ Y i- ¯ Y 2 df Regr = p t = b (SE of b ) SS Res = n X i =1 Y i- ˆ Y i 2 df Res = n- p- 1 CI for β : b ± ( t-score)(SE of b ) (SE of b ) = 1 S X r MS Res n- 1 F Distribution Table Right-Tail Probability = 0.05 df 1 → df 2 ↓ 1 2 3 4 5 6 8 12 24 ∞ 1 161.45 199.50 215.71 224.58 230.16 233.99 238.88 243.91 249.05 254.31 2 18.51 19.00 19.16 19.25 19.30 19.33 19.37 19.41 19.45 19.50 3 10.13 9.55 9.28 9.12 9.01 8.94 8.85 8.74 8.64 8.53 4 7.71 6.94 6.59 6.39 6.26 6.16 6.04 5.91 5.77 5.63 5 6.61 5.79 5.41 5.19 5.05 4.95 4.82 4.68 4.53 4.37 6 5.99 5.14 4.76 4.53 4.39 4.28 4.15 4.00 3.84 3.67 7 5.59 4.74 4.35 4.12 3.97 3.87 3.73 3.57 3.41 3.23 8 5.32 4.46 4.07 3.84 3.69 3.58 3.44 3.28 3.12 2.93 9 5.12 4.26 3.86 3.63 3.48 3.37 3.23 3.07 2.90 2.71 10 4.96 4.10 3.71 3.48 3.33 3.22 3.07 2.91 2.74 2.54 11 4.84 3.98 3.59 3.36 3.20 3.09 2.95 2.79 2.61 2.40 12 4.75 3.89 3.49 3.26 3.11 3.00 2.85 2.69 2.51 2.30 13 4.67 3.81 3.41 3.18 3.03 2.92 2.77 2.60 2.42 2.21 14 4.60 3.74 3.34 3.11 2.96 2.85 2.70 2.53 2.35 2.13 15 4.54 3.68 3.29 3.06 2.90 2.79 2.64 2.48 2.29 2.07 16 4.49 3.63 3.24 3.01 2.85 2.74 2.59 2.42 2.24 2.01 17 4.45 3.59 3.20 2.96 2.81 2.70 2.55 2.38 2.19 1.96 18 4.41 3.55 3.16 2.93 2.77 2.66 2.51 2.34 2.15 1.92 19 4.38 3.52 3.13 2.90 2.74 2.63 2.48 2.31 2.11 1.88 20 4.35 3.49 3.10 2.87 2.71 2.60 2.45 2.28 2.08 1.84 21 4.32 3.47 3.07 2.84 2.68 2.57 2.42 2.25 2.05 1.81 22 4.30 3.44 3.05 2.82 2.66 2.55 2.40 2.23 2.03 1.78 23 4.28 3.42 3.03 2.80 2.64 2.53 2.37 2.20 2.01 1.76 24 4.26 3.40 3.01 2.78 2.62 2.51 2.36 2.18 1.98 1.73 25 4.24 3.39 2.99 2.76 2.60 2.49 2.34 2.16 1.96 1.71 26 4.23 3.37 2.98 2.74 2.59 2.47 2.32 2.15 1.95 1.69 27 4.21 3.35 2.96 2.73 2.57 2.46 2.31 2.13 1.93 1.67 28 4.20 3.34 2.95 2.71 2.56 2.45 2.29 2.12 1.91 1.65 29 4.18 3.33 2.93 2.70 2.55 2.43 2.28 2.10 1.90 1.64 30 4.17 3.32 2.92 2.69 2.53 2.42 2.27 2.09 1.89 1.62 40 4.08 3.23 2.84 2.61 2.45 2.34 2.18 2.00 1.79 1.51 60 4.00 3.15 2.76 2.53 2.37 2.25 2.10 1.92 1.70 1.39 120 3.92 3.07 2.68 2.45 2.29 2.18 2.02 1.83 1.61 1.25 ∞ 3.84 3.00 2.60 2.37 2.21 2.10 1.94 1.75 1.52 1.00 t Distribution Table Confidence Level 80% 90% 95% 98% 99% 99.8% Right-Tail Probability df ↓ 0.100 0.050 0.025 0.010 0.005 0.001 1 3.078 6.314 12.706 31.821 63.657 318.309 2 1.886 2.920 4.303 6.965 9.925 22.327 3 1.638 2.353 3.182 4.541 5.841 10.215 4 1.533 2.132 2.776 3.747 4.604 7.173 5 1.476 2.015 2.571 3.365 4.032 5.893 6 1.440 1.943 2.447 3.143 3.707 5.208 7 1.415 1.895 2.365 2.998 3.499 4.785 8 1.397 1.860 2.306 2.896 3.355 4.501 9 1.383 1.833 2.262 2.821 3.250 4.297 10 1.372 1.812 2.228 2.764 3.169 4.144 11 1.363 1.796 2.201 2.7182....
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Exam 3 C - STA 3024 Introduction to Statistics 2 Exam 3...

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