Plots and Frequency Tables
Residuals, Functions, & Trends
Slope
Causation vs. Correlation
Mystery
100
We get the data to make this plot by subtracting the observed values minus the predicted values.
What is a residual plot?
100
In order to find the residuals, you will first need to measure the distance from the point to the _______.
What is the line of best fit?
100
(Y2-Y1) / (X2-X1)
What is the equation for slope of a linear function?
100
Two events where as the first causes the second.
What is causation?
100
The measure of the strength of the straight-line or linear relationship between two variables. The values ranging between +1 and -1.
What is the definition of correlation coefficient?
200
This plot is made by plotting ordered pairs in a coordinate plane.
What is a scatter plot?
200
To find residuals you need to know the _______ and _______ values.
What is observed and predicted values?
200
A saying to remember how to find slope on a graph.
What is rise over run?
200
The more the children study the _____ their grades are.
What is "better"?
200
Values between 0 and 0.3 indicate a ____ positive linear relationship.
What is "weak"?
300
I am finding the number of males who watch 3-4 hours of TV a day.
What is joint frequency?
300
The scatter plot has a correlation coefficient of 0.7.
What is positive trend?
300
Which letter represents slope in the following equation: y=mx+b
What is m?
300
If we examine the total US highway fatality rate and compare this to the metric tons of fresh lemons imported from Mexico, we observe a r = 0.97.
What is correlation?
300
A negative one correlation coefficient has _______ pattern.
What is "a strong negative linear" pattern?
400
I am finding how many people watch 5-6 hours of TV.
What is marginal frequency?
400
The scatter plot has a correlation coefficient of -0.4.
What is negative trend?
400
A line in which the slope is zero lays _______.
What is horizontally?
400
A zero correlation coefficient has _______ pattern.
What is "no" pattern?
400
Finding the values in a whole row or column in a two-way frequency table.
What is marginal frequency?
500
I am finding the percent of females who watch 7-8 hours of TV a day.
What is conditional relative frequency?
500
The scatter plot has points all over the place and has a correlation coefficient of almost 0 with no discernible pattern.
What is no trend?
500
A positive one correlation coefficient has _______ pattern.
What is "a strong positive linear" pattern?
500
Finding a specific characteristic in one row and one column.
What is joint frequency?