Math 8 Unit 2 Review

Front

What age group liked Action movies the least?

Back

18-25

Front

What is a line of best fit in a scatter plot?

Back

A line that best represents the data points in a scatter plot, showing the trend of the data.

Front

How can you identify a linear relationship in a scatter plot?

Back

A linear relationship is identified when the data points form a pattern that can be approximated by a straight line.

Front

What does a trend line in a scatter plot indicate?

Back

A trend line indicates the general direction that a set of data points is heading.

Front

How do you predict values using a trend line?

Back

You can predict values by extending the trend line and finding where it intersects with the value you are interested in.

Front

What does it mean if a scatter plot shows no association?

Back

It means there is no discernible pattern or relationship between the two variables being plotted.

Front

What is the significance of the x-axis and y-axis in a scatter plot?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable.

Front

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

Back

Scatter plots are used to visualize the relationship between two quantitative variables.

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.