ScatterPlots

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation of two variables where each point represents an observation. It helps to visualize the relationship between the 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.

Front

What does no correlation mean in a scatter plot?

Back

No correlation means there is no discernible relationship between the two variables; changes in one variable do not predict changes in the other.

Front

How can you identify a positive correlation in a scatter plot?

Back

A positive correlation can be identified by a pattern where points slope upwards from left to right.

Front

How can you identify a negative correlation in a scatter plot?

Back

A negative correlation can be identified by a pattern where points slope downwards from left to right.

Front

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

Back

Scatter plots are used to identify relationships, trends, and patterns between two quantitative variables.

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are points that deviate significantly from the overall pattern and can affect the correlation and interpretation of the data.

Front

What type of association is indicated by a scatter plot with no clear pattern?

Back

A scatter plot with no clear pattern indicates no association between the variables.

Front

What is the relationship between the number of siblings and weight if there is no correlation?

Back

If there is no correlation between the number of siblings and weight, it means that the number of siblings does not affect or predict a person's weight.