20 Questions

Data analyst Quiz

1 :-

What is the purpose of dimensionality reduction in machine learning?

2 :-

What is the purpose of A/B testing in data analytics?

3 :-

What is the role of NumPy in data analytics with Python?

4 :-

What is the purpose of clustering algorithms in data analytics?

5 :-

What is the primary goal of recommendation systems in data analytics?

6 :-

What is the meaning of the term "ensemble learning" in machine learning?

7 :-

What is the meaning of the term "correlation" in data analytics?

8 :-

What is the difference between population and sample in the context of statistics?

9 :-

What is regression analysis used for in data analytics?

10 :-

Which statistical measure provides a central location of a set of data?

11 :-

What is the purpose of a t-test in statistics?

12 :-

What is the concept of precision and recall in classification models?

 

13 :-

What is the purpose of feature scaling in machine learning?

14 :-

Which tool is commonly used for interactive data visualization?

15 :-

What is the difference between correlation and causation in statistics?

16 :-

What is the purpose of SQL in data analytics?

 

17 :-

Which of the following is an example of a quantitative variable?

18 :-

What is the purpose of decision trees in machine learning?

19 :-

In data analytics, what is the role of data visualization?

20 :-

What is the purpose of a histogram in data analytics?

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