Two Quantitative Variables
Variable
Name
Observations (separated by commas or spaces)
Keep individuals in the same order.
Explanatory
Response
Scatterplot
Calculate Correlation
Regression Models
Include more detailed regression output
Calculate other regression model:
Quadratic
Exponential
Perform Inference
Inference procedure:
Simulate sample correlation
Simulate sample slope
t interval for slope
t test for slope
Prediction interval for value of response variable
Confidence interval for mean of response variable
Confidence level:
%
Alternative hypothesis:
β > 0
β < 0
β ≠ 0
Simulates the distribution of the sample
when the responses are randomly shuffled to different explanatory values.
Number of samples to add:
The applet will graph all of your results until you hit "Reset simulation."
Explanatory value:
Confidence level:
%
Show interval bounds on the scatterplot with regression line
Count the number and percent of dots
less than
greater than
or equal to
# of samples:
Most recent result:
Mean:
SD:
Adjust color, rounding, and percent/proportion preferences

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