BIOL202 - Study Guide - LAB FINAL formula sheet

BIOL202 - Study Guide - LAB FINAL formula sheet - Lab Exam...

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Unformatted text preview: Lab Exam Formulas x = ∑ x i = x 1 + x 2 + x 3 .... + x n n n s 2 = Σx i 2- (Σx i ) 2 n n - 1 s or SD = 2 s s x or SE = s n 95% CI = x ± n SD 96 . 1 or x ( 29 SE 96 . 1 ± 2 2 1 2 2 1 n s n s x x t p p +- = 2 p s = ( 29 ( 29 2 1 1 2 1 2 2 2 2 1 1- +- +- n n s n s n df = n 1 +n 2-2 χ 2 = n(f 11 f 22- f 12 f 21 ) 2 df = (r-1)(c-1) (C 1 )(C 2 )(R 1 )(R 2 ) FOR TABLES OF CRITICAL VALUES, SEE THE REVERSE SIDE C RITICAL V ALUES OF T HE t D ISTRIBUTION . P df 0.9 0.5 0.4 0.2 0.1 0.05 0.02 0.01 0.001 1 0.158 1.000 1.376 3.078 6.314 12.706 31.821 63.656 636.578 2 0.142 0.816 1.061 1.886 2.920 4.303 6.965 9.925 31.600 3 0.137 0.765 0.978 1.638 2.353 3.182 4.541 5.841 12.924 4 0.134 0.741 0.941 1.533 2.132 2.776 3.747 4.604 8.610 5 0.132 0.727 0.920 1.476 2.015 2.571 3.365 4.032 6.869 6 0.131 0.718 0.906 1.440 1.943 2.447 3.143 3.707 5.959 7 0.130 0.711 0.896 1.415 1.895 2.365 2.998 3.499 5.408 8 0.130 0.706 0.889 1.397 1.860 2.306 2.896 3.355 5.041 9 0.129 0.703 0.8830....
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BIOL202 - Study Guide - LAB FINAL formula sheet - Lab Exam...

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