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The"t" test, (called the "small 't' test, to distinguish it from the large 'T' test) is a test for deviation from a known norm, using a smaller sample set than the one required by the large T test.
It is said to have been developed by the head of quality control at the Guinness Brewery in Ireland.
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Earn +20 ptsQ: What is the t test used for?
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Is a z test or t test used more often?
t test, because the z test requires knowing the population standard deviation and that's rare. The t test embodies an estimate of the standard deviation.
Difference scores are usually used with a. a t test for a single sample b. a t test for dependent means c. a t test for independent means d. all of the above?
d
When independent sample t test is used?
The Independent Samples T Test compares the mean scores of two groups on a given variable.
WHAT IS THE Difference between A t test and chi square?
t test is used when- a) variables are studied b)the size of sample is a small one.(n<30) chi square test is studied when a) attributes are studied
Is t-test a parametric test or not?
yes
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