Statistics

Walmart Labs Interview Question | Missing Values

Question

What will you do if removing missing values from a dataset causes bias? Is there any other alternative for the same?

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Statistics 55 years 3 Answers 974 views Great Grand Master

Walmart Labs Interview Question | Predictors

Question

If two predictors are highly correlated, what is the effect on the coefficients in the logistic regression?

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Statistics 55 years 3 Answers 922 views Great Grand Master

Walmart Labs Interview Question | Table

Question

What is a table called, if it has neither Cluster nor Non-cluster Index? What is it used for?

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Statistics 55 years 2 Answers 904 views Great Grand Master

Interview Questions | Statistics

Question

What is sample complexity ? What are its type? Explain in detail

Statistics 55 years 0 Answers 811 views Master

American Express Interview Question | Data Cleansing

Question

Explain why Data Cleansing is essential and which method you use to maintain clean data?

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Statistics 55 years 4 Answers 926 views Great Grand Master

American Express Interview Question | Resampling

Question

Is it necessary to perform resampling in your dataset? How would you initiate with this process?

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Statistics 55 years 2 Answers 945 views Great Grand Master

American Express Interview Question | Casino

Question

The rules of a casino are simple, you will get 3 dices to roll and win $15 every time it lands on 1. You are allowed to play until you win and then stop. What will be your expected payout ...

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Statistics 55 years 2 Answers 984 views Great Grand Master

American Express Interview Question | Fair Coin

Question

You are provided a simple coin. But the problem is that we are not sure whether it is biased or not? What should be your approach to check the fairness of the coin? (Hint- Hypothesis Theorem)

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Statistics 55 years 1 Answer 837 views Great Grand Master

Barclays Interview Questions | K mean

Question

How can we make sure that K-Means output is not sensitive to initialization?

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Statistics 55 years 1 Answer 753 views Great Grand Master

Factspan Interview Question | Unbiasedness

Question

What is unbiasedness as a property of an estimator? Is this always a desirable property when performing inference?

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Statistics 55 years 1 Answer 714 views Great Grand Master

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