Vishal

Hi, I am Vishal Jaiswal, I have about a decade of experience of working in MNCs like Genpact, Savista, Ingenious. Currently i am working in EXL as a senior quality analyst. Using my writing skills i want to share the experience i have gained and help as many as i can.

Chi-Square Test Explained

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Chi-Square Test

What is Chi-Square test? The chi-square test (χ²) is a non-parametric statistical test used to analyze categorical data. It helps determine whether the observed frequencies of a variable (e.g., the …

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T-Test Explained

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T-Test

T-Test: Overview and Requirements Requirements to Perform a T-Test Essential Requirements: Additional Considerations: Key Differences from Z-Test Requirements: Steps to Perform a T-Test: Example Calculation: Independent Samples T-Test Scenario: We …

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Z-Test Explained

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Z-Test

Z-Test: Overview and Requirements Requirements for Z-Test: Steps for Conducting a Z-Test Example Calculation: One-Sample Z-Test Scenario: A teacher believes the average score on a history exam is 75 points. …

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