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Measuring Usability Homepage
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

Tags

Tag: Non-Normal Data

Related Tags

Tag Name #
Calculator 149
Confidence Intervals 145
Median 139
Graph 137
Log Transformation 121
Geometric Mean 112
Task Time 107
Hypothesis Test 95
Sample Size 94
Geometric Standard Deviation 91
skewness 87
log plot 87
Normal Curve 83
Power 83
probit regression 79
Unit Conversion within Customary Units 73
Margin of Error 27

Pages

The following pages have the tag Non-Normal Data associated with them. The number of users that have also tagged the page ' Non-Normal Data ' is in parenthesis.

Graph and Calculator for Confidence Intervals for Task Times ( 99 )
Visualizing your task time data is an essential step in understanding its distribution and computing accurate confidence intervals. This calculator creates a dot-plot of your task times, transforms the raw data to adjust for non-normality and computes the intervals.

Questions

The following questions have the tag Non-Normal Data associated with them. The number of users that have also tagged the question ' Non-Normal Data ' is in parenthesis.

My data set is non-normal (cycle time). Can I convert the data into "Good and Bad" based on a specif. . . ( 3 )

How do you make data normally distributed?. . . ( 3 )