ZTEST(array, value_to_test,sigma) returns the one-tailed probability-value of a z-test : ZTEST « Statistical functions « Microsoft Office Excel 2007 Tutorial

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Microsoft Office Excel 2007 Tutorial » Statistical functions » ZTEST   21.82.1.ZTEST(array, value_to_test,sigma) returns the one-tailed probability-value of a z-test =ZTEST(A2:A11,4) returns the one-tailed probability-value of a z-test at the hypothesized population mean of 4 Input the formula: =ZTEST(A2:A11,4). Press Enter to get the result. Referenced from Excel Help 21.82.ZTEST 21.82.1. ZTEST(array, value_to_test,sigma) returns the one-tailed probability-value of a z-test 21.82.2. =ZTEST(A2:A11,6) returns one-tailed probability-value of a z-test at the hypothesized population mean of 6