John Wiley & Sons TI-83 Time Clock User Manual


 
Enter in the data for the 2-PropZTest.
Highlight Calculate and press the ENTER key.
The test statistics is 1.15 and the p-value is .13.
Since the p-value is larger than the significance level
of 1% we accept the null hypothesis. There is not enough
evidence to claim significant differences between
toothpaste loyalties.
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