HP 48gII Manuel d'utilisateur télécharger pdf (Page 168)

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1. Z-Test: 1

.: Single sample hypothesis testing for the population mean,

with known population variance, or for large samples with unknown

population variance.

2. Z-Test: µ1−µ2.: Hypothesis testing for the difference of the population

means, µ

- µ

, with either known population variances, or for large

samples with unknown population variances.

3. Z-Test: 1 p.: Single sample hypothesis testing for the proportion, p, for

large samples with unknown population variance.

4. Z-Test: p1− p2.: Hypothesis testing for the difference of two proportions,

-p

, for large samples with unknown population variances.

5. T-Test: 1

.: Single sample hypothesis testing for the population mean,

for small samples with unknown population variance.

6. T-Test: µ1−µ2.: Hypothesis testing for the difference of the population

means, µ

- µ

, for small samples with unknown population variances.

Try the following exercise:

Example 1

– For µ

= 150, σ = 10, x = 158, n = 50, for α = 0.05, test the

hypothesis H

: µ = µ

, against the alternative hypothesis, H

: µ ≠ µ

Press ‚Ù—— @@@OK@@@ to access the confidence interval feature in the

calculator. Press

@@@OK@@@

to select option 1. Z-Test: 1

Enter the following data and press

@@@OK@@@

You are then asked to select the alternative hypothesis:

1 2 ... 163 164 165 166 167 168 169 170 171 172 173 174 175

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HP 48gII Manuel d'utilisateur Page 168