Measuring Usability: Quantitative Usability, Statistics and Six-Sigma

Pages

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

Graph and Calculator for Confidence Intervals for Task Times ( 111 )
Visualizing your task time data is an essential step in understanding its distribution and computing accurate confidence intervals. This calculator creates a dot-plot of your task times, transforms the raw data to adjust for non-normality and computes the intervals.

Questions

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

TRUE or FALSE The level of significance is the probability that a true hypothesis is rejected. . . . ( 3 )

For each of the following situations, indicate whether an error has occurred and, if so, indicate wh. . . ( 4 )

Twenty students randomly assigned to an experimental group receive an instructional program; 30 in a. . . ( 3 )

What are the 5 steps involved in hypothesis testing using the traditional/classical method; Can you . . . ( 5 )

If your hypothesis is not correct, can the data collected still be used within a subsequent analysis. . . ( 4 )

what are the key terms in a verbal hypothesis that signify whether you are conducting a one-tailed o. . . ( 5 )

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

When would you use a hypothesis test for the difference in two population proportions at your place . . . ( 4 )