A t-test measures the difference between the means of two samples. A t-test is an inferential ... against a value obtained from a critical value table called the T-distribution table.

In the Two-Sample Test for Proportions ... is higher than that for the old algorithm. The "Sample Statistics" table lists the frequency of `yes' and `no' responses for each variable. The "Hypothesis ...

A t-test for population means compares the means between two populations. It is appropriate when the population standard deviations are unknown. This applet allows users to change the distributions of ...

Assumptions for the one sample t test are as follows: The t test and the z test share a key similarity in that they are both used to compare means between one or two groups to make inferences about ...

J.B. Maverick is an active trader, commodity futures broker, and stock market analyst 17+ years of experience, in addition to 10+ years of experience as a finance writer and book editor.

This short course will cover the one sample t-test, the two sample t-test, matched-pairs t-test, one-way ANOVA (Analysis of Variance), two-way ANOVA and ANCOVA (Analysis of Covariance). These ...

The statistical training will include the discussion of the one sample t-test, the two sample t-test, matched-pairs t-test, and ANOVA. We will cover data analysis examples using JMP statistical ...