Casio FX-9860GII-L-IH User Guide - Page 321
frequency 1 or List 1 to 26, list whose contents you want to use as data List 1 to 26
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6-5-11 Tests u 1-Sample t Test This test uses the hypothesis test for a single unknown population mean when the population standard deviation is unknown. The 1-Sample t Test is applied to t-distribution. t = o - µ0 xσn-1 n o : mean of sample µ0 : assumed population mean xσn-1 : sample standard deviation n : size of sample Perform the following key operations from the statistical data list. 3(TEST) 2(t) 1(1-S) The following shows the meaning of each item in the case of list data specification. Data data type population mean value test conditions ("G µ0" specifies two- tail test, "< µ0" specifies lower one-tail test, "> µ0" specifies upper one-tail test.) µ0 assumed population mean List list whose contents you want to use as data (List 1 to 26) Freq frequency (1 or List 1 to 26) Save Res list for storage of calculation results (None or List 1 to 26) Execute executes a calculation or draws a graph The following shows the meaning of parameter data specification items that are different from list data specification. o mean of sample xσn-1 sample standard deviation (xσn-1 > 0) n size of sample (positive integer) 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