chi square test क्या है? आसान हिंदी में समझाइए
Statistics में chi square test का अर्थ है: a test comparing observed frequencies with expected frequencies. यही बात हिंदी में, लाइव विज़ुअल के साथ समझने पर टॉपिक बहुत आसान लगने लगता है।
How to approach it step by step
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Worked example
तरीका यह है: build the expected table, sum (O − E)²/E, then compare with the critical value. उदाहरण — A chi square test can check whether a die is fair.
The mistake most learners make
ध्यान रखें: Applying it to very small expected frequencies where the test is unreliable.
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