Two-way tables
Correlations
Equations of lines
Slope
Scatterplots
100
This is the total number of students surveyed.
What is 80?
100
This is the correlation of a scatterplot that shows the relationship of time spent studying vs. test grades.
What is positive correlation?
100
This is the y-intercept of the line
y=-5x-7.
What is -5?
100
This is the slope of the line that passes through the points (-2, 5) and (1, 14).
What is 3?
100
This is the correlation shown on the scatterplot.
What is positive correlation?
200
This is the number of males that can swim.
What is 26?
200
This is the correlation shown in the scatterplot.
What is negative?
200
This is the y-intercept of the equation
y=-8+3x.
What is -8?
200
This is the slope of the line that passes through the points (3, -5) and (6, -4).
What is
1/3 ?
200
This is the correlation expected on a scatterplot showing the comparison of the number of barn cats on a farm and the mice population.
What is negative correlation?
300
This is the relative frequency that a member of Class A is left-handed.
What is 0.48?
300
This is also called a "trend line" and is used to make predictions with scatterplots.
What is line of best fit?
300
This is the equation of the line that passes through points (0, 8) and (1, 12).
What is y=4x+8 ?
300
This is the slope of the line
y=-1/2x+5.
What is -1/2?
300
This is the equation of the trend line.
What is y=-1/2x+6 ?
400
This is the relative frequency that a student is left handed out of the students surveyed?
What is 0.51?
400
This is the correlation you would expect on a scatterplot graphing height of a student and IQ.
What is no correlation?
400
This is the equation of the line passing through the points (3, 3) and (6, 12).
What is y=3x-6 .
400
This is the slope of the line
y=9-3x.
What is -3 ?
400
This is the equation of the line on the scatterplot.
What is y=-x+12 ?
500
This is the number of boys that have Science as a favorite subject.
What is 23?
500
This is the number of books expected to be checked out if there are 70 visitors.
What is 150?
500
This is the equation of the line passing through points (-4, 8) and (3, -6).
What is y=-2x ?
500
This is the slope of the line containing points (0.5, 12) and (5.5, 14.5).
What is 1/2 ?
500
This is the slope of the line of best fit.
What is 5?