Unit 3: Day 3 - Scatter Plots and Line of Best Fit

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

What is a line of best fit used for?

Back

To make predictions

Front

Which scatter plot shows a linear relationship between x and y? Options: Graph A, Graph B, Graph C, Graph D

Back

Graph C

Front

Scatterplot representing the relationship: As the age of the car increases, its value decreases. Options: A, B, C, D

Back

C

Front

Which sentence describes the relationship shown on this scatter plot? Options: As the temperature decreases, the visitors increase. , As the temperature increases, the number of visitors increases. , As the visitors increase, the temperature decreases. , No correlation

Back

As the temperature increases, the number of visitors increases. 

Front

What is the correlation? Options: Negative correlation, No correlation, Positive correlation, All of the above

Back

No correlation

Front

What type of correlation? the number of siblings you have and your weight

Back

No correlation

Front

What type of correlation? The outside temperature and the amount of layers you wear.

Back

Negative correlation

Front

What would be the correlation between study time and test grades? Options: positive, negative, none, cannot be determined

Back

positive

Front

TRUE OR FALSE: Data points that lie above the trend line should be about the same distance as data points below the trend line.

Back

True