R robert c New member Dec 13, 2010 #1 I keep getting a z-score of -4.21, but that can't be right because the table does not go that low. I get that answer manually and using the calculator's 2 Sample Z-Test function. Could someone explain to me why this is happening?
I keep getting a z-score of -4.21, but that can't be right because the table does not go that low. I get that answer manually and using the calculator's 2 Sample Z-Test function. Could someone explain to me why this is happening?
