0387772812 by Unknown

Author:Unknown
Language: eng
Format: epub
Published: 2008-11-25T14:25:00+00:00

Step 1. State the hypotheses.

H 0: – d ≤ –∆, and d ≥ ∆

HA: –∆ < d < ∆

Step 2. Select the sample size, and set α.

n = 100, and α = 0.05

Step 3. State the test formulas. There are two single-sided (one-tail) tests.

d − (−∆)

For

the

lower-side,

z

= z =

(

c

c

Lower)

L

sd

∆ − d

For

the

upper-side,

z

= z =

(

c

c

Upper)

U

sd

Step 4. State the decision rule.

If

z > z

and z

> z

, reject H

c

tabled

0; the substitute and the standard

L

tabled

U

c

are equivalent at α = 0.10.

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