Line Graphs and Scatter Plots

Front

What does the y-axis represent in a line graph?

Back

The y-axis represents the dependent variable, which is the Amount Earned in Dollars in this context.

Front

What does a decrease in cookie sales on a specific day indicate?

Back

It indicates that the sales went down on that day.

Front

What is a negative correlation?

Back

A negative correlation means that as one variable increases, the other variable decreases.

Front

What is a positive correlation?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What does 'no correlation' mean in a scatter plot?

Back

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

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot.

Front

How do you determine the number of items sold from a graph?

Back

You can determine the number of items sold by reading the value on the y-axis corresponding to the specific day on the x-axis.

Front

What is the purpose of a scatter plot?

Back

A scatter plot is used to show the relationship between two variables.

Front

What does it mean if a line graph shows a steady increase?

Back

It means that the variable is consistently growing over time.

Front

What is the significance of the x-axis in a line graph?

Back

The x-axis typically represents the independent variable, such as time or categories.