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LatentView Training Statistics Questions
LatentView Training Statistics Questions
Basic Questions:
What inferences can you make about the distribution of a random variable by
comparing its mean and median?
What are the ways in which you can compare the dispersion of two different
random variables? Explain which measure you would prefer under what
circumstances.
What are the assumptions that underlie the correlation coefficient? How would
you verify the same? How would you handle scenarios where the assumptionsare not met?
What are the basic checks you would do when you are trying to fit each of the
following distributions to a data stream: normal, exponential and poisson?
What is the meaning of sampling bias? How do you identify the bias? What are
the ways in which the bias can be corrected?
What are the assumptions that underlie a t-test for comparison of means?
How would you verify the same?
What are the assumptions/limitations of the ANOVA technique? How would
you overcome the same?
Exercise Problem:
How would you go about verifying the hypothesis that males have a higher
incidence of heart disease compared to females? Highlight upon the following
aspects: hypothesis specification, experiment design, sampling strategy,
alternative hypothesis testing frameworks and interpretation of results.
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