Casio FX-9860GII-L-IH User Guide - Page 317
sample value, positive integer
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6-5-7 Tests u 1-Prop Z Test This test is used to test for an unknown proportion of successes. The 1-Prop Z Test is applied to the normal distribution. Z = x n - p0 p0(1- p0) n p0 : expected sample proportion n : size of sample Perform the following key operations from the statistical data list. 3(TEST) 1(Z) 3(1-P) Prop sample proportion test conditions ("G p0" specifies two-tail test, "< p0" specifies lower one-tail test, "> p0" specifies upper one-tail test.) p0 expected sample proportion (0 < p0 < 1) x sample value (x > 0 integer) n size of sample (positive integer) 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. Calculation Result Output Example PropG0.5 direction of test z z score p p-value p estimated sample proportion n size of sample • For details about graph screen function keys 1(Z) and 2(P), see "Z Test Common Functions" on page 6-5-2. # [Save Res] does not save the Prop condition in line 2. 20050401