Rossman/Chance Applet Collection
Analyzing Two Quantitative Variables
Sample data:
Population inputs
population slope:
population intercept:
population
x
mean:
population
x
std:
population sigma:
Create Population
Use Data
Revert
Clear
Rescale
Show Shuffle Options:
Number of Shuffles:
Sample Size:
Data
Plot
Correlation
Slope
t
-statistic
Intercept
Show Movable Line:
Show Residuals:
Show Squared Residuals:
Show Regression Line:
Show Residuals:
Show Squared Residuals:
Count Samples
Greater Than ≥
Less Than ≤
Beyond
Overlay
t
Distribution:
Add/remove observations:
x:
y:
Add
Correlation coefficient
R-squared
Move observations:
Create Population:
Bivariate
Uniform x
Observed x
Regression Table:
Term
Coeff
SE
t-stat
p-value
Intercept
Slope
95% Confidence interval for Slope:
Most Recent Regression Table
Term
Coeff
SE
t-stat
p-value
Intercept
Slope
About
Notes
:
This applet should work in IE but may be slow.
Use the green squares on the movable line to change slope, intercept.
Right now pasted data must have variable names (use single words, no symbols)
Dotplot coloring may not exactly match count, as coloring is based on bin mid-points