Hp 49g+ User Manual download pdf (Page 613)

variance, test the hypothesis H

= 0, against the alternative hypothesis,

Press ‚Ù—— @@@OK@@@ to access the hypothesis testing feature in the

calculator. Press —@@@OK@@@ to select option 6. T-Test: µ1−µ2.: Enter the

following data and press @@@OK@@@:

Select the alternative hypothesis µ1< µ2, and press @@@OK@@@. The result is

Thus, we accept (more accurately, we do not reject) the hypothesis: H

, against the alternative hypothesis H

. The test t value is t

= -1.341776, with a P-value = 0.09130961, and

critical t is –t

= -1.659782. The graphical results are:

These three examples should be enough to understand the operation of the

hypothesis testing pre-programmed feature in the calculator.

Hp 49g+ User Manual Page 613