Rossman/Chance Applet Collection
(2x2:
)
GroupA
GroupB
Totals
Success
Failure
Totals
Use Table
Clear
:
Show Shuffle Options:
Number of Shuffles:
Shuffle
Total Shuffles =
Greater Than ≥
Less Than ≤
Beyond
Overlay Chi-square distribution
Overlay Normal distribution
Statistic:
Difference in proportions
Relative Risk
Odds Ratio
Cell 1 Count
MAD
Max-Min
χ²
:
Most Recent Shuffled χ² Output
95% CI(s) for difference in proportions
ln relative risk
ln odds ratio
Show Fisher's Exact Test
two-sided
About
Notes
:
First row in data table is assumed to be variable names (use single words, no symbols)
Option for CI for difference in proportions appears with 2x2 data
If number of successes equals zero (or failures), relative risk and odds ratio calculations add 0.5 to each cell
To give option for Fisher's Exact Test, click
here
(to remove option, click
here
)
For Dolphin study, click
here
.
For Yawning study, click
here
.
For Organ Donor Study, click
here
.
In the 2x2 table, can specify a subtraction expression in the failure cells, e.g., 10-3, and applet will compute number of failures.
You can type in your own two-way table (use row and column names but no totals) and press Use Table.
For the Spanish version, click
here