DEC. 9TH EXIT FLASHCARD: Making Predictions from Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.

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What does a trend line represent in a scatter plot?

Back

A trend line is a straight line that best represents the data points in a scatter plot, indicating the general direction of the data.

Front

How can you use a trend line to make predictions?

Back

You can extend the trend line to estimate values for one variable based on known values of the other variable.

Front

What does a positive correlation in a scatter plot indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation in a scatter plot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What is the purpose of using scatter plots in data analysis?

Back

Scatter plots help visualize relationships between variables, identify trends, and make predictions based on data.

Front

How do you determine the number of hours worked based on earnings in a scatter plot?

Back

You find the point on the scatter plot that corresponds to the earnings and read the associated hours worked from the x-axis.

Front

What is interpolation in the context of scatter plots?

Back

Interpolation is estimating a value within the range of known data points on a scatter plot.

Front

What is extrapolation in the context of scatter plots?

Back

Extrapolation is estimating a value outside the range of known data points on a scatter plot.

Front

How can you identify outliers in a scatter plot?

Back

Outliers are data points that fall far away from the trend line or the general cluster of data points.