Schweigert p. 73: Scatter plots How would you interpret the following relationsh

Question

Schweigert p. 73: Scatter plots How would you interpret the following relationships? There is a +75 correlation between number of hours you study and exam grade. There is a-.56 correlation between level of test anxiety and exam grade. There is a -.60 correlation between number of milligrams of an arthritis drug taken and degree of pain experienced. There is a+85 correlation between number of years of experience and salary. There is a +.06 correlation between number of hours of math tutoring received and grade on an English test. "Level of measurement and statistical tests: See Table 4.1 on p. 76.

Explanation / Answer

1. A correlation of +.75 indicates a strong and positive relationship. This means that if one variable increases, there is a high likelihood that the other variable increases as well.
2. A correlation of -.56 indicates a moderately strong negative relationship. This means that if one variable increases, there is a likelihood that the other variable shows a decrease.
3. A correlation of -.60 also indicates a moderately strong negative relationship. This means that if one variable increases, there is a likelihood that the other variable shows a decrease.
4. A correlation of +.85 indicates a strong and positive relationship. This means that if one variable increases, there is a high likelihood that the other variable increases as well.
Please post the other questions separately as we are supposed to answer just one question or four sub parts of the same question.

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