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How can you check if a data set or time series is random?

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What will be the output of runif (7)?

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Could you draw a comparison between overfitting and underfitting?

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In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the proba­bility that you see at least one shooting star in the period of an hour?

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Explain the difference between data science and data analytics?

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A jar has 1000 coins, of which 999 are fair and 1 is double headed. Pick a coin at random, and toss it 10 times. Given that you see 10 heads, what is the probability that the next toss of that coin is also a head?

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How many people are using Facebook in California at 1.30 PM on Monday?

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