Give an example of each of the kinds of hypotheses for a correlational test: A.

Question

Give an example of each of the kinds of hypotheses for a correlational test:
A. Null:
B. Non-directional research:
C. Directional research:

For each of the above hypotheses, identify whether you would use a One-tailed or two-tailed test.

Give an example of each of the kinds of hypotheses for a correlational test:
A. Null:
B. Non-directional research:
C. Directional research:

For each of the above hypotheses, identify whether you would use a One-tailed or two-tailed test.


A. Null:
B. Non-directional research:
C. Directional research:

For each of the above hypotheses, identify whether you would use a One-tailed or two-tailed test.

Explanation / Answer

A. Null:

Let population correlation coefficient

Null hypothesis H0: = 0 (2 tailed )

B. Non-directional research:

Null hypothesis H0: = 0
Alternative hypothesis HA: 0

(two tailed)

C. Directional research:

HA: < 0 or HA: > 0 (one tailed )

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