Measuring Usability: Quantitative Usability, Statistics and Six-Sigma

Pages

The following pages have the tag t-test associated with them. The number of users that have also tagged the page ' t-test ' is in parenthesis.

Confidence Interval Calculator for a Completion Rate ( 115 )
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 t-test associated with them. The number of users that have also tagged the question ' t-test ' is in parenthesis.

Administrative staff based at a business school in the UK are advised to take a 15 minute break from. . . ( 4 )

If you had a sample size of 50 and did not know the standard deviation of the population, would you . . . ( 4 )

What statistic would be applied if the independant variable is nominal and one dependant variable is. . . ( 4 )

How to determine the sample size for comparing mulltiple parameters like Height , weight, Blood pre. . . ( 4 )

You are interested in whether men participate more than women in political activities, so you survey. . . ( 4 )