28- Coose the correct answer

Q28 : What is the guess in Student's t-test?

1- Samples are normally distributed

2- Samples are not normally distributed

3- Sample size is small

4- Make no assumptions about samples

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Q29 :How is False Positive Rate determined?

1- Percentage of negative examples that were misclassified

2- Share of misclassified positive examples

3-Number of true positives / all positives

4-Number of true negative / all positive

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Q30 :Imagine that you are working at Yandex.Zen and you want to develop a machine learning algorithm that predicts the number of article views.

Your analysis is based on characteristics such as the name of the author, the number of articles written by the same author on Yandex Zen in the past, and some other characteristics. Which of the following metrics would you choose to evaluate the quality of the resulting model in this case?

1. Mean Square Error (MSE)

2. Accuracy

3. F1 Score

A- Only 1

B- Only 2

C- Only 2 and 3

D-None of the above

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