Howtosignalprocessing
- Can you do a chi-square with a zero value?
- What is O in chi-square test?
- What does 0.01 mean in chi-square?
Can you do a chi-square with a zero value?
Chi-square ranges from 0-infinity. A 0 means the two variables are completely independent. No relationship whatsoever between the two variables. Chi-square is a cell by cell comparison of the expected and observed frequencies in a crosstabular table.
What is O in chi-square test?
In the test statistic, O = observed frequency and E=expected frequency in each of the response categories. The observed frequencies are those observed in the sample and the expected frequencies are computed as described below. χ2 (chi-square) is another probability distribution and ranges from 0 to ∞.
What does 0.01 mean in chi-square?
Under some circumstances, the critical value may be set as p = 0.01 or 0.001, that is, the result would occur only once in a hundred or a thousand trials; p may also be reported as the range or upper bound of the probability of the observed result.
