Variables
Random
Correlations
Line of Best Fit
Reading & Creating Scatter Plots
100
This variable goes on the x-axis.
What is the independent variable.
100
What does linear association mean?
The straight or nearly straight trend line on a scatterplot.
100
What type of correlation does this graph show?
A. Positive
B. Negative
C. No correlation
A. What is Positive
100
What is an outlier?
What is a point that is distant (skewed) from the rest of the data?
100
What is the first step in creating your own scatter plot?
A. Plot your data points.
B. Determine your variables.
C. Choose your scale.
D. Analyze your data.
What is B. Determine your variables.
200
This variable is impacted by the other variable and is placed on the y-axis.
What is the dependent variable?
200
What is a nonlinear correlation?
When the trend line on a scatterplot is not in a line.
200
What type of association does this graph have?
A. Weak Positive
B. Strong Positive
C. Strong Negative
D. Weak Negative.
D. What is weak negative
200
Which scatter plot shows a linear relationship between x and y?
What is C
200
If this chart was your data, what would be an appropriate scale for the y axis?
A. 0, 2, 4, 6, 8, 10
B. 1, 5, 10, 15, 20, 25
C. 0, 20, 40, 60, 80, 100
D. 0, 50, 100, 150, 200, 250
What is C. 0, 20, 40, 60, 80, 100
300
If I am graphing the number of shots made and the hours of practice for a basketball player, which would be the independent variable?
What is the number of hours of practice?
300
Draw an example of a nonlinear relation
Not a straight line
300
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
What is a negative correlation
300
If a person is 45 years old, based on the scatter plot, what should they expect their income to be?
A. 20,000
B. 45,000
C. 50,000
What is C. 50,000
300
Based on the graph, if Joe earned $400, how many hours did he work?
A. 25 hours
B. 35 hours
C. 45 hours
D. 15 hours
What is A. 25 hours
400
On a graph showing the relationship between salary and years of experience which variable would be the dependent variable?
What is salary?
400
Draw an example of a scatterplot with an outlier
There should be at least one point away from the others.
400
What type of correlation would the number of siblings you have and your weight.
What is no correlation
400
The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?
What is D. 60 min
400
What is the school quote?
ON??????????
What is On Board, On Time, On Point!
500
Write a sentence describing the relationship between the average daily temperature and the number of beach visitors.
The number of beach visitors increases as the average daily temperature increases.
500
Give a real world example of when there would be a positive correlation
Both things increase
500
You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?
A. As x increases, y decreases
B. As x increases, y increases
C. As x decreases, y decreases
As x increases, y decreases
500
What is the equation for this line of best fit?
A. y = 10x + 10
B. y = x
C. y = 10x
D. y = x + 10
What is C. y = 10x
500
About how many male math teachers were there in 2006?
A. 15
B. 30
C. 35
D. 45
C. What is 35