Questions on Scatterplots and Correlation

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A scatter plot graphs pairs of numerical data, with one variable on each axis, to look for a relationship between them.
1. True
2. False
A scatter plot can be used when the dependent variable may have multiple values for the independent variable.
1. True
2. False
The better the correlation the closer the points will be to the line of best fit.
1. True
2. False
What are data points that lie far away from the overall pattern of the rest of the data called?
1. Outliers
2. Outsiders
Strong positive and negative correlations show data points clustered close to the line of best fit.
1. True
2. False
A line of best fit which is drawn from top left of the graph towards the bottom right shows what type of correlation?
1. Positive
2. Negative
In a positive correlation both variables will move in the same direction. True or false?
1. True
2. False
When the data points have been plotted, the more the diagram resembles a straight line the weaker the relationship.
1. True
2. False
When the scatter plot shows a strong correlation we can assume that one variable caused the other.
1. True
2. False
Weak positive and negative correlations show data points clustered close to the line of best fit. True or false?
1. True
2. False
Look at the following proverb – Does it indicate negative or positive correlations? • Many hands make light work
1. Positive
2. Negative
Look at the following proverb – Does it indicate negative or positive correlations? • Health is wealth
1. Positive
2. Negative