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A F-ratio test compares 2 variances and tell if they are significantly different. A Chi-square test compares count data.

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โˆ™ 2008-04-29 02:34:29
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Q: What is the F ratio test and how is it different from Chi square square test?
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How do pronounce chi-square test?

The chi-square test is pronounced "keye-skwair" test.


Chi-square test properties and importance?

square


What is a Chi Square table used for?

A Chi-square table is used in a Chi-square test in statistics. A Chi-square test is used to compare observed data with the expected hypothetical data.


What is the difference of chi-square and t test?

They are applicable in different circumstances.


What is a chi square test?

The Chi-square test is a statistical test that is usually used to test how well a data set fits some hypothesised distribution.


Is Chi-square a test of association?

The Chi-squared statistic can be used to test for association.


Is the chi square of independence test a test a test of significance?

Yes.


Is chi square a test of relationship or test of difference?

yes it is


What is the difference between odds ratio and Chi square?

none


Is the Chi Square test related to statistics?

Yes. It is a statistical test.


The gametophyte of a fern is?

A chi-square test is used to?


A chi square probability of 0.05 means what?

If your chi square test has a probability of 0.05 or less it is likely, but not certain, that your hypothesis is not correct.


How do you carry out a chi-square test?

you do the observed-expected value and square it, then devide that by the expected you do this for each cell then you add them up also you can enter your data as a matrix on a calculator TI and go to stat, test, chi square test.


Why use chi-square?

the Chi Square distribution is a mathematical distribution that is used directly or indirectly in many tests of significance. The most common use of the chi square distribution is to test differences among proportions


What does it mean when tests are chi-square based?

A chi-squared test is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi-squared distribution when the null hypothesis is true.


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


What conclusion is appropriate if a chi-square test produces a chi-square statistic near zero?

A chi-square statistic which is near zero suggests that the observations are exceptionally consistent with the hypothesis.


What is the nonparametric hypothesis test symbol?

c2 (Chi Square)


Is ' chi square test ' a multivariate tool?

no


When is chi-square tests for goodness of fit used?

Chi-Square Goodness-of-fit Test is used when you want to test if the sample observed follows an assumed theoretical distribution.


What is F-ratio?

The F-ratio is a statistical ratio which arises as the ratio of two chi-square distributions.If X and Y are two random variables which are independent and approximately normally distributed, then their variances have chi-squared distributions. The ration of these chi-square distributions, appropriately scaled, is called the F-ratio.The F-ratio is used extensively in analysis of variance to determine what proportion of the variation in the dependent variable is explained by an explanatory variable (and the model being tested).


What is the symbol for nonparametric hypothesis test?

The symbol for hypothesis test is c2 ( Chi Square)


When is the chi-test used?

There are many chi-squared tests. You may mean the chi-square goodness-of-fit test or chi-square test for independence. Here is what they are used for.A test of goodness of fit establishes if an observed frequency differs from a theoretical distribution.A test of independence looks at whether paired observations on two variables, expressed in a contingency table, are independent of each.


What is the critical value of chi-square with a significant level of equals 0.05?

Critical values of a chi-square test depend on the degrees of freedom.


Chi-square test for 2x3 table?

here is answer for your question - http://www.wellesley.edu/Psychology/Psych205/chisquareindep.html