Casio FX-9860GII-L-IH User Guide - Page 345
List 1 to 26, list whose contents you want to use as data of sample 1
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6-6-10 Confidence Interval The following confidence interval applies when pooling is not in effect. α is the level of significance. The value 100 (1 - α) % is the confidence level. Left = (o1 - o2)- tdf α 2 x1 σ 2 n-1 n1 + x2 σn-12 n2 Right = (o1 - o2)+ tdf α 2 x1σ n-12 n1 + x2 σ2 n-1 n2 df = 1 C 2 n1-1 + (1-C )2 n2-1 x1 σ 2 n-1 C = n1 x1σ n-12 n1 + x2 σ 2 n-1 n2 Perform the following key operations from the statistical data list. 4(INTR) 2(t) 2(2-S) The following shows the meaning of each item in the case of list data specification. Data data type C-Level confidence level (0 < C-Level < 1) List(1 list whose contents you want to use as data of sample 1 (List 1 to 26) List(2 list whose contents you want to use as data of sample 2 (List 1 to 26) Freq(1 frequency of sample 1 (1 or List 1 to 26) Freq(2 frequency of sample 2 (1 or List 1 to 26) Pooled pooling On (in effect) or Off (not in effect) Save Res list for storage of calculation results (None or List 1 to 26) Execute executes a calculation The following shows the meaning of parameter data specification items that are different from list data specification. 20050401