Statistical Analysis Interview Questions For Freshers

What is the alternative hypothesis?

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What are the measures of central tendency?

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What is a standard deviation?

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What is the formula for calculating variance?

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What is a z-score?

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What is the Central Limit Theorem?

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What is correlation?

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What is the difference between correlation and causation?

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What is a confidence interval?

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What is a hypothesis test?

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Explain the concept of p-value.

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What is a Type I error?

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What is a Type II error?

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What is the difference between parametric and non-parametric tests?

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What is a chi-squared test?

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What is the null hypothesis?

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What is the difference between descriptive and inferential statistics?

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What is a t-test?

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What is a one-sample t-test?

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What are degrees of freedom?

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What is the purpose of a regression analysis?

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Explain simple linear regression.

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What is the coefficient of determination (R^2)?

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What are residuals in regression?

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What is multicollinearity?

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What is heteroscedasticity?

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Statistical Analysis Intermediate Interview Questions

What is a stationary time series?

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Explain Bayesian statistics.

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What is the Markov Chain Monte Carlo (MCMC) method?

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What is factor analysis?

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What is principal component analysis (PCA)?

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What is cluster analysis?

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What is survival analysis?

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Explain the Cox proportional hazards model.

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What is time-to-event analysis?

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What is the difference between longitudinal and cross-sectional data?

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What is mixed-effect modeling?

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What is multivariate analysis?

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What is discriminant analysis?

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What is the autocorrelation function?

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What is logistic regression?

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What is the odds ratio?

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What is a chi-squared test for independence?

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What is ANOVA?

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What is the Kruskal-Wallis test?

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What is time-series analysis?

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Statistical Analysis Interview Questions For Experienced

What is the difference between frequentist and Bayesian approaches?

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What is bootstrapping?

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What is the importance of power analysis in statistical studies?

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Explain the Akaike Information Criterion (AIC).

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What is ridge regression?

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What is lasso regression?

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What is the Gauss-Markov theorem?

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What is the Durbin-Watson statistic?

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Explain the Box-Cox transformation.

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What are time-series smoothing techniques?

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What is the Granger causality test?

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What is panel data analysis?

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What is non-negative matrix factorization?

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What is Bayesian hierarchical modeling?

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What is copula modeling?

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What is sample size determination?

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What is spatial autocorrelation?

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What are the assumptions of linear regression?

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