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

Tags

Tag: Probability

Pages

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

Z-Score to Percentile Calculator ( 89 )
Look up the area under the normal curve (1 or two-sided areas) from a standard score (Z-score).

Interactive Graph of the Standard Normal Curve ( 87 )
Use this interactive normal curve to understand how the z-score and the area of the curve are related. Offers both one and two-sided options.

How Do You Calculate a Z-Score/ Sigma Level? ( 80 )
The basics of z-scores are discussed plus an example of raw usability data converted into z-scores including three of Nielsen's five usability attributes.

Questions

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

Fill in the P (X=x) values in the table to give legitimate probability distribution for the discrete. . . ( 4 )

Suppose that in NY State, 35% of voters are Democrats, 30% are Republicans, and 11% are independent.. . . ( 54 )