If the dots on a scatter diagram lie on a straight Iine extending from the lower

Question

If the dots on a scatter diagram lie on a straight Iine extending from the lower left to the upper right side, the researchers will obtain a correlation coefficient of: +1.0 +0.5 0.0 -1.0 If the dots in a scatter diagram resemble an inverted U, the correlation is most likely: positive negative curvilinear rectangular Which of the following correlation coefficients indicates the strongest correlation between depression and anxiety? +.75 +60 .00 -.60 Which of the following correlation coefficients indicates the strongest association between depression and number of activities of daily living performed? -.45 +.60 .00 -.70 If scientists obtain a correlation coefficient of +.50 between depression and anxiety, they can state that: depress on causes anxiety anxiety causes depression 50% of the time low levels of depression are associated with low levels of anxiety low levels of anxiety are associated with high levels of depression

Explanation / Answer

1. The answer is A because it is a perfect correlation

2. The answer is C

3. The answer is A because it gives us the maximum +ve correlation

4. The answer is D because it gives us the maximum magnitude of correlation

5.The answer is C

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