(8Pack*?8 @EACT EACT1 f*ȁ܁āȁ(\tdh؁ȁ P(``|ȁ   0 P p ȁ < \ `======060505 =======v2-Sample Z Test This test is used when the standard deviations for two populations are known to test the hypothesis. The 2-Sample Z Test is applied to the normal distribution. Tha Z=љQnQn :mean of sample 1 :mean of sample 2 Q:population standard deviation of sample 1 Q:population standard deviation of sample 2 n:size of sample 12 n:size of sample 2@STAT[EXE]8Pack*?( @GUIDEdKEYLOG(8NOTE`&$%2222222222xznThe following shows the meaning of each item in the case of list data specification. Data ..... data type K ....... population mean value test conditions (Kspecifies twotail test, Kspecifies onetail test where sample 1 is greater than sample 2.) Q ....... population standard deviation of sample 1 (Q>0) Q ....... population standard deviation of sample 2 (Q>0) List(1) .. list whose contents you want to use as sample 1 data (List1 to 26) List(2) .. list whose contents you want to use as sample 2 data (List1 to 26) Freq(1) .. frequency of sample 1 (1 or List1 to 26) Freq(2) .. frequency of sample 2 (1 or List1 to 26) Save Res . list for storage of calculation results (None or List1 to 26) Execute .. executes a calculation or draws a graph The following shows the meaning of parameter data specification items that are different from list data specification. ... mean of sample 1 n ... size (positive integer) of sample 1 ... mean of sample 2 n ... size (positive integer) of sample 2 @STAT[EXE]8Pack*?( @GUIDEpKEYLOG(DNOTEl 0   &$%$2$222222$222)xz| KK .. direction of test z ...... z score p ...... p-value ..... mean of sample 1 ..... mean of sample 2 xQ .. standard deviation of sample 1 (Displayed only for Data: List setting.)) xQ .. standard deviation of sample 2 (Displayed only for Data: List setting.) n ..... size of sample 1 n ..... size of sample 2 #[Save Res] does not save the K condition in line 2.