Teaching Rajasthan Librarian Grade-II 2024 Mock Test Library Science Research Methodology Data Analysis & Interpretation
What is the formula of chi-square (χ2)?
(O = observed frequencies, E = expected frequencies)
1
\(\Sigma \frac{(O-E)^2}{E}\)
2
\(\Sigma \frac{(O-E)^2}{E^2}\)
3
\(\Sigma \frac{(O-E)^2}{2 E}\)
4
\(\sum \frac{(O-E)}{E^2}\)
5
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