Measuring Usability: Quantitative Usability, Statistics and Six-Sigma

Pages

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

Confidence Interval Calculator for a Completion Rate ( 89 )
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.

Questions

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

Philadelphia is conducting a study on the characteristics of tourists who drive to Eagles football g. . . ( 21 )

The width of a confidence estimate for a proportion will be: a. Narrower for a 99% confidence inter. . . ( 4 )

A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are sho. . . ( 4 )

In a survey of 500, 60% responded positively to an value question. Calculate a confidence level at. . . ( 4 )

Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap . . . ( 3 )

Can a z score be calculated by input of a proportion only?. . . ( 5 )