# If variables change in the same direction, what type of correlation is this called?

Graphing and Correlation (7 points total)

1. If variables change in the same direction, what type of correlation is this called?
 a. Positive correlation b. Negative correlation c. Positive causation d. Negative causation

1. When interested in examining how one variable changes in relation to another, which of the following descriptive statistics would you want to use?
 a. Mean b. Variance c. Correlation d. Standard Deviation
1. Which of the following refers to a correlation between two variables?
 a. Bicorrelate b. Bivariate c. Two-way variance d. Two-way analysis

1. Which of the following correlations would be interpreted as a weak relationship?
 a. -0.26 b. -0.46 c. -0.66 d. -0.86

1. Which of the following is the strongest correlation?
 a. 0.23 b. 0.87 c. 0.49 d. -0.91

1. If X increases in value as Y decreases in value, what type of correlation exists?
 a. Positive b. Negative c. Neutral d. None
1. If you were interested in tracking or checking the trend of your GPA during the time you were in high school, which of the following might you use?
 a. Bar chart b. Line chart c. Pie chart d. Histogram

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