Sample quiz on scatter plot
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1. When comparing two variables, the variable whose value is unaffected by the other variable is called $\cdots$?
   
   constant variable
   dependent variable
   independent variable
   infinite variable
2. Two variables are always positive. When a scatter plot is plotted for these two variables in the Cartesian plane, the scatter plot will be in which quadrant?
   
   first quadrant
   second quadrant
   third quadrant
   fourth quadrant
3. In a scatter plot comparing the height of a person to the age of the person, which variable is the independent variable?
   
   age
   height
   both age and height
   neither age nor height
   
4. In a scatter plot comparing the age of a person to the height of the person, which variable is the dependent variable?
   
   age
   height
   both age and height
   neither age nor height
5. Predict the type of correlation between a person's age and height (assume that most people grow taller as they age)
   
   zero correlation
   negative correlation
   positive correlation
   undefined correlation
6. In a scatter plot comparing the distance a snake travels with the outside temperature, which variable is the independent variable?
   
   snake
   distance
   temperature
   none of these
7. In a scatter plot comparing the distance a snake travels with the outside temperature, which variable is the dependent variable?
   
   snake
   distance
   temperature
   none of these
8. Predict the type of correlation between the distance a snake travels and the outside temperature
   
   zero
   positive
   undefined
   negative
9. In the Cartesian plane, the points $(0,5)$ and $(5,0)\quad\cdots$
   
   are the same
   are different
   are both on the $x$-axis
   are both on the $y$-axis
10. Which of the following is not that important to be included in a scatter plot?
    
    horizontal axis
    vertical axis
    title of plot
    correlation