Define linear regression?
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If you had to choose between the programming languages r and python, which one would you use for text analytics?
What is data science? How would you say it is similar or different to business analytics and business intelligence?
What skills are required for data analytics roles?
You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.
How to determine the number of clusters in k-means clustering algorithm?
What do you understand by type I vs type ii error?
You are about to get on a plane to Seattle, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it's raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in Seattle.
What do you understand by the selection bias?
On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?
What is an example of a data set with a non-gaussian distribution?
What is cluster sampling?
What is a/b testing in data science?