Casio FX-9860GII-L-IH User Guide - Page 318
data value, integer of sample 1
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6-5-8 Tests u 2-Prop Z Test This test is used to compare the proportion of successes. The 2-Prop Z Test is applied to the normal distribution. Z = x1 n1 - x2 n2 p(1 - p ) 1 n1 + 1 n2 x1 : data value of sample 1 x2 : data value of sample 2 n1 : size of sample 1 n2 : size of sample 2 ˆp : estimated sample proportion Perform the following key operation from the statistical data list. 3(TEST) 1(Z) 4(2-P) p1 sample proportion test conditions ("G p2" specifies two-tail test, "< p2" specifies one-tail test where sample 1 is smaller than sample 2, "> p2" specifies one-tail test where sample 1 is greater than sample 2.) x1 data value (x1 > 0 integer) of sample 1 n1 size (positive integer) of sample 1 x2 data value (x2 > 0 integer) of sample 2 n2 size (positive integer) of sample 2 Save Res list for storage of calculation results (None or List 1 to 26) Execute executes a calculation or draws a graph After setting all the parameters, use c to move the highlighting to "Execute" and then press one of the function keys shown below to perform the calculation or draw the graph. • 1(CALC) ... Performs the calculation. • 6(DRAW) ... Draws the graph. 20050401