Measuring Usability: Quantitative Usability, Statistics and Six-Sigma

Pages

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

Confidence Interval Calculator for a Completion Rate ( 129 )
If you've wanted to provide a confidence interval around a small sample completion rate but just didn't have time to do the math, this calculator does the work for you.

Sample Size Calculator for Discovering Problems in a User Interface ( 109 )
Use this calculator to determine the number of users you'd need to test given the probability of detecting a problem. If the probability of detecting the problem is unknown, this calculator also allows you to estimate the problem occurrence (p) from sample data.

Questions

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

A robot, when working properly, produces 5% or less defective items. whenever the robot produces mor. . . ( 4 )

A machine cuts circular filters from large rolls of material. If 7.3% of the filters fail to meet sp. . . ( 4 )

in a study of 11000 car crashes it was found that 5720 of them occurred within 5 miles of home. use . . . ( 5 )

A classical experiment in extrasensory perception (ESP) consists of asking a subject to tell, withou. . . ( 5 )

In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged. . . ( 5 )

A local bakery determines that the probability of a customer ordering a blueberry muffin is 50%. 5 . . . ( 5 )

Suppose that in NY State, 35% of voters are Democrats, 30% are Republicans, and 11% are independent.. . . ( 52 )