11th Class Computer Science Unit 5 Unit 5: Data Analytics MCQs with Answers

1.What is data analytics?

2.Which of the first step in data analytics?

3.What is data analytics?

4.Numeric and measurable data is called?

5.Statistics is a branch of:

6.Which measure indicates the "average" value in a dataset?

7.What is the middle value when data is arranged in order?

8.Which measure shows the most frequently occurring value?

9.If no number repeats in a dataset, what does it have?

10.Which measure tells how spread out the data is from the mean?

11.High variance means:

12.Standard deviation is:

13.A standard deviation of 0 indicates:

14.Variance can be calculated using which formula?

15.Probability ranges between:

16.An event with a probability of 0 is:

17.What is the probability of getting heads in a fair coin toss?

18.Probability can be expressed as:

19.In probability, what is the total number of outcomes called?

20.Which method involves asking a set of questions to a group?

21.Watching and recording behavior without interaction is known as:

22.Testing changes under controlled conditions is known as:

23.Which method allows researchers to understand cause-and-effect relationships?

24.Which method is best for understanding customer preferences?

25.What is the first step after collecting data?

26.Data cleaning involves:

27.Which is not a common data error?

28.What technique estimates missing values using averages?

29.When is data removal acceptable?

30.What is statistical modeling used for?

31.Which step defines the problem in model building?

32.Which algorithm is used for predicting numerical values?

33.Which step tests how well the model performs?

34.What does β represent in linear regression?

a slope
b intercept
c error term
d dependent variable

35.What is the output of logistic regression?

36.Which model predicts continuous numeric values?

37.Which loss function is used in linear regression?

38.Which model uses a decision threshold?

39.What is the output range of logistic regression?

40.What is clustering used for?

41.Which clustering method requires choosing the number of groups beforehand?

42.Which visualization is best for comparing categories?

43.Which chart is used to show distribution of data?

44.Which tool is commonly used for creating visualizations?

45.What is the square root of variance?

46.What is the purpose of data transformation?

47.Which of the following is not a type of data visualization?

48.Which model predicts categorical outcomes?

49.What does ethics in data science include?

50.What is the main goal of data analytics?

Unit 5: Unit 5: Data Analytics — Mcqs