Measuring Usability: Quantitative Usability, Statistics and Six-Sigma

Questions

The following questions have the tag 1-Sided Test associated with them. The number of users that have also tagged the question ' 1-Sided Test ' is in parenthesis.

Discuss how t test can be employed in hypothesis testing by the use of directional vs. nondirectiona. . . ( 5 )

A firm issued a guideline that transmisson of 10 pages or more should be sent by 2-day mail. Excepti. . . ( 4 )

I am trying to assess the impact of an event on a population. I ran a survey before the event and t. . . ( 4 )

I am comparing 2 proportions of patients (before and after the introduction of a new quality-of-care. . . ( 4 )