slideshare

They are called t tests because each t test boils your sample data down to one number the t value. If the population means are really equal then the sample means will probably differ a little bit but not too much. Independent Samples T Test In Spss Quick Spss Tutorial In statistics t tests are …

A paired samples t test is used to compare the means of two samples when each observation in one sample can be paired with an observation in the other sample. The motivation for performing a paired samples t test. Student T Test The sample must be less than 10 of the population so that. Paired …

A null hypothesis for a goodness of fit test and a frequency table from a sample are given. Difference is due to some outer factor and large enough to say significant. Chi Square Test With Contingency Table Youtube Pearson s chi square test is used to determine whether there is a statistically …