Two-sample z-test for difference between population means – BUS 503

Enter your data in the blue cells, select the math operator in the Alternative Hypothesis in the orange drop-down cell. To get the math operator drop-down menu, left-click in the orange cell, e.g. on the current operator.  All the yellow answer cells will update. You may have to scroll right to reach the blue data entry cells on the Raw Data tab.
Hope this helps.
Dr. D

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