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Data Analyst Mock Test

We understand the importance of increasing job roles as an Analyst, so we've prepared the most asked data analyst-related questions to help you crack 

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___ are the basic building blocks of qualitative data .

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An advantage of using computer programs for qualitative data is that they ___.

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___ is the cyclical process of collecting and analyzing data during a research study.

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Customer analytics refers -

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To glean insights from the data, many analysts and data scientists rely on ___.

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A good data analytics solution includes a viable self-service ___.

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How does "Non-Negative Matrix Factorization" (NMF) contribute to dimensionality reduction in data analysis?

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What is the purpose of the term "Hierarchical Clustering" in clustering analysis?

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What is the primary purpose of the term "Confusion Matrix" in classification problems?

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Logistic regression is used to find the probability of event = Success and
event = ____ .

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In time series analysis, what does the term "Exponential Smoothing" refer to?

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How does the term "Ensemble Learning" improve model performance in machine learning?

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___ refers to the ability to turn your data useful for business.

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What is the purpose of the term "Multicollinearity" in regression analysis?

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What does the term "confidence interval" represent in statistical analysis?

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If the null hypothesis is false then which of the following is accepted?

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Alternative Hypothesis is also called as?

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Amongst which of the following is / are not a major data analysis approach?

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For each value of the ___, the distribution of the dependent variable must be normal.

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Linear-regression models are relatively simple and provide an easy-to- interpret mathematical formula that can generate ___.

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What is a hypothesis?

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Least Square Method uses ___.

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Which of the following is true about regression analysis?

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How does the term "Binning" contribute to feature engineering in data analysis?

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In data analysis, what does the term "Lift" signify in the context of a predictive model?

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The branch of statistics which deals with development of particular statistical
methods is classified as

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Which of the following is true about hypothesis testing?

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In descriptive statistics, data from the entire population or a sample is summarized with ?

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Which of the following is not a major data analysis approaches?

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What does the term "confidence interval" represent in statistical analysis?

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What is the primary goal of hypothesis testing in data analysis?

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What is the purpose of a box plot in data analysis?

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What is the significance of the term "standard deviation"?

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What is the purpose of correlation in data analysis?

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What does a histogram visualize?

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How is the range of a dataset calculated?

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What does the term "outlier" mean in data analysis?

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What is the difference between mean and median?

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What is the primary goal of data analysis?

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Data Analysis is a process of?

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In data analysis, what is the purpose of the term "Kurtosis"?

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___ are used when we want to visually examine the relationship between two quantitative variables.

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How does the term "bootstrapping" contribute to statistical analysis?

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The process of quantifying data is referred to as ___ .

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Explain the concept of "resampling" in data analysis.

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A Linear Regression model's main aim is to find the best fit linear line and the ___ of intercept and coefficients such that the error is minimized

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How does the term "principal component analysis" (PCA) contribute to dimensionality reduction in data analysis?

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Amongst which of the following is / are the true about regression analysis?

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How does the Pearson correlation coefficient differ from the Spearman rank correlation coefficient?

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Linear Regression is the supervised machine learning model in which the
model finds the best fit ___ between the independent and dependent variable.

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