Casio Algebra FX 2.0 PLUS User Manual

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20010101kkkkk 2-Sample F Test2-Sample F Test tests the hypothesis for the ratio of sample variances. The F Test is appliedto the F distribution.F = x1 n–12σx2 n–12σPerform the following key operations from the statistical data list.3(TEST)e(F)The following is the meaning of each item in the case of list data specification.Data ............................ data typeσ 1 ................................. population standard deviation test conditions (“Gσ 2”specifies two-tail test, “<σ2 ” specifies one-tail test wheresample 1 is smaller than sample 2, “>σ 2” specifies one-tailtest where sample 1 is greater than sample 2.)List(1) .......................... list whose contents you want to use as data of sample 1(List 1 to 20)List(2) .......................... list whose contents you want to use as data of sample 2(List 1 to 20)Freq(1) ........................ frequency of sample 1 (1 or List 1 to 20)Freq(2) ........................ frequency of sample 2 (1 or List 1 to 20)Save Res ..................... list for storage of calculation results (None or List 1 to 20)Execute ....................... executes a calculation or draws a graphThe following shows the meaning of parameter data specification items that are differentfrom list data specification.x 1σ n-1 ............................ standard deviation (x 1σ n-1 > 0) of sample 1n1 ................................. size (positive integer) of sample 1x 2σ n-1 ............................ standard deviation (x 2σ n-1 > 0) of sample 2n2 ................................. size (positive integer) of sample 21-2-20Tests (TEST)20011101