Math 8 SP 1-4 Review

Front

What is an outlier in a scatterplot?

Back

An outlier is a point that is far outside the main cluster of points/ordered pairs.

Tags

CCSS.8.SP.A.1

Front

What type of correlation is indicated by a downward slope in a scatterplot?

Back

Negative correlation.

Tags

CCSS.HSS.ID.B.5

Front

What happens to the y values as the x values increase in a negative correlation?

Back

As x increases, y decreases.

Tags

CCSS.HSF-LE.A.1B

Front

What percent of people who play an instrument do not play a team sport if 27.2% is the answer?

Back

27.2%.

Tags

CCSS.8.SP.A.4

Front

What percentage of girls have blonde hair if the answer is 30%?

Back

30%.

Front

Define correlation in the context of scatterplots.

Back

Correlation describes the relationship between two variables, indicating how one may change in relation to the other.

Tags

CCSS.HSS.ID.B.5

Front

What does a positive correlation look like on a graph?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What is the range of values for correlation coefficients?

Back

Correlation coefficients range from -1 to 1.

Tags

CCSS.HSS.ID.B.5

Front

What does a correlation coefficient of -1 indicate?

Back

A perfect negative correlation.

Tags

CCSS.HSS.ID.B.5

Front

What does a correlation coefficient of 0 indicate?

Back

No correlation between the variables.

Tags

CCSS.HSS.ID.B.5