Definitions
Define Correlation
When dots on the diagram are situated within a narrow stretch.
What if the difference between a positive strong correlation and a negative correlation?
Teachers response!
What can you tell me about this scatter diagram?
Is it a positive or a negative correlation? Is it a strong or a weak correlation.
Google slides
Define Line of Best Fit
When the scatter diagram is relatively narrow. We can draw a straight line that fits in with it.
Describe a "No correlation"
Teachers response...
If it's a positive or a negative correlation.
Define Two-Dimensional Distribution
If each of the individuals in the collective is given two values which correspond to two variables, X and Y.
Which scatterplot demonstrates Weak,Moderate and strong relationship? (GoogleSlides)
Google slides
True or False? Correlations provide evidence of association, not causation.
TRUE!
It shows the relationship between two quantitative variables measured for the same individuals. The values of one variable appear on the horizontal axis, and the values of the other variable appear on the vertical axis.
The data shows the estimation of the weight of a new player who is 180cm tall. Do you think this estimation is reliable? (GoogleSlides)
Teachers answer -
What is the highest and lowest "r" value ?
1 or -1
The correlation value is known as this. It is represented using the letter "r".
Match them up and, wherever necessary, change the sign. (Google slides)
(Google Slides/Ask teacher)
The more wins a team has what is the slope of the graph.
The more losses a team has what is the slope of the graph.
Games lost- Negative Correlation
Games won - Positive Correlation