Do you know what a data scientist does?
How do we obtain insights from this data?
What is artificial intelligence and machine learning?
Are these the same as data science?
What does it take to become a data scientist?
Why Use Data Science?
Who is a Data Scientist?
Differences Between Data Science and Business Intelligence a brief overview of the phases
in the data science lifecycle
Data science uses many concepts from
statistics. Please give a few examples.
What is Statistics? What are the types of statistical concepts you should know?
What is Data? Television rating point is TRP.
How to analyze data for TRP estimation
What is Population and sample?
Define different Types of Sampling Method
Which samplings are Probabilistic samplings?
What is Statistical Inference?
What is Data Summarization?
What are Data Types & scale of measurements?
Provide some examples of Cross Sectional,
Time Series & Panel data.
What is Descriptive Analysis?
What is Trimmed mean of a sample?
What are Disadvantage of Mean?
Why Median has an Advantage over mean?
What are Percentile, Deciles & Quartiles?
What is the Relation between mean, median and mode?
Explain the followings:
- Symmetric data
- Positively skewed data
- Negatively skewed da
What is Measures of dispersion?
What is the use of Box plot?
What is the Measures of Kurtosis?
What is variability of sample statistics ?
Can you tell me any Theorem on Sampling Distribution?
Please provide an example of Applicability of Central Limit Theorem
What is Chi-Square distribution curve, t-distribution curve and F - distribution curve?
What is the degrees of freedom of a parameter?
What is the basic approach of a Hypothesis testing?
A hypothesis about the value of a population parameter is an assertion about its value.
Explain with an example.
What is the similarity between the Trial court and Hypothesis Testing?
What is Statistical Hypothesis?
What are the Errors in Hypothesis Testing?
How to measure Probabilities of Making Errors?
What is the Rejection Region?
What is Two-Tailed Test? And what is One-Tailed Test?
What is Parametric Tests : Z-test?
What is Parametric Tests : t-test?
What is Parametric Tests : F-test and Chi-squared test?
What is Relationship Analysis?
You have a data set of employee’s wage and
their age. Can we predict a employee's age
using Relationship Analysis?
What are the Measures of Relationship?
What is Correlation Analysis? Please give an example
How does a Scatter or dot diagram helpful in Correlation Analysis?
Explain Positive, negative and zero correlations
What is the degree of linear relation?
#businessanalytics
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Explain Measuring Correlation Coefficients
What is Karl Pearson’s Correlation Coefficient?
What are the Properties of Correlation coefficient?
What is Spearman’s Rank Correlation Coefficient? Please provide an example.
What is Chi-Squared Test of Correlation? and
what is its Test Methodology?
What is Partial Correlation Coefficients?
What is Regression Analysis? What are the
types of Regression Analysis?
What is True versus Fitted Regression Line?
What is the Measure of Quality of Fit?
Please provide an example of Adjusted R-squared
What are the Five Step Regression Procedure?
What is Assumptions Revisited in regression analysis?
What is Multiple Linear Regression?
What is Variance Inflation Factor?
What is Checking Multi-collinearity?
What is a Non Linear Regression Model?
What is Probability?
What is Random Experiment?
What is Sample Space?
What is an Event?
How to do Probability Estimation using Relative Frequency?
What are the Algebraic relationships of Events?
What is Axioms of Probability?
What is Joint Probability?
What is Marginal Probability?
What are Independent Events?
What is Conditional Probability?
What is Bayes’ Theorem?
What is Generalization of Bayes’ Theorem?
What is Random Variable? What is discrete
Random Variable and what is continuous Random Variable?
Explain probability Mass Function and Cumulative Distribution Function of a Discrete Random Variable
What are the Usage of Probability Distribution?
what is over fitting?