Data Science Class 8 Quiz

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Test your data sense in 10 questions

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Aksharaa Badhani

India

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Data Science Class 8 Quiz


Froggy Jumps Data Science Class 8 QuizVersión en línea Test your data sense in 10 questions por Aksharaa Badhani 1 6. Which is a primary source of data? a Textbook b Newspaper c Census survey 2 7. Which is a secondary source of data? a Interview b Website article c Experiment results 3 8. Data collected over time is called: a Time series data b Qualitative data c Cross-sectional data 4 9. The first step in data analysis is: a Data collection b Visualization c Prediction 5 10. Which method is not used for collecting data? a Observation b Survey c Guessing 6 11. Marks obtained by students is: a Descriptive data b Qualitative data c Quantitative data 7 12. Eye color of students is: a Categorical b Continuous c Numerical 8 13. Temperature can be classified as: a Qualitative data b Continuous data c Discrete data 9 14. Gender is an example of: a Categorical data b Numerical data c Time-series data 10 15. Which of the following is discrete data? a Weight b Age in years c Height 11 16. Average of numbers is called: a Median b Mean c Mode 12 17. Middle value of ordered data is called: a Mode b Mean c Median 13 18. The most frequent value in data is: a Average b Mean c Mode 14 19. Highest value minus lowest value = a Mean b Mode c Range 15 20. If marks are 20, 25, 30, 35, 40 → Median is: a 25 b 30 c 20 16 21. A graph used to show categories is: a Line graph b Histogram c Bar graph 17 22. Continuous data is shown by: a Pie chart b Histogram c Bar chart 18 23. Circle graph is also called: a Pie chart b Histogram c Line graph 19 24. Which chart is used for showing parts of a whole? a Bar chart b Line graph c Pie chart 20 25. To show data change over time, we use: a Pie chart b Line graph c Histogram 21 26. Removing incorrect values is called: a Data analysis b Data cleaning c Data visualization 22 27. Missing values in data are handled during: a Cleaning b Visualization c Collection 23 28. Duplicate data should be: a Kept b Ignored c Removed 24 29. Data stored in rows and columns is: a Chart b Graph c Table 25 30. Standard form of storing data is called: a Database b Graph c Pie chart 26 31. Google Maps uses data science for: a Traffic prediction b Food recipes c Playing music 27 32. E-commerce websites use data science for: a Farming b Shopping suggestions c Construction 28 33. Weather forecast uses: a Data science b Chemistry c Literature only 29 34. Which is not an application of data science? a Disease prediction b Fraud detection c Writing poems 30 35. YouTube recommendation system works on: a Biology b Physics c Data science 31 36. Spreadsheet software is: a MS Excel b MS PowerPoint c MS Word 32 37. Which language is widely used in data science? a Python b Hindi c Java 33 38. SQL is used for: a Storing data b Drawing graphs c Managing databases 34 39. AI stands for: a Artificial Internet b Automated Input c Artificial Intelligence 35 40. ML stands for: a Multiple Logic b Main Language c Machine Learning 36 41. Full form of CSV: a Combined System Values b Common Saved Values c Comma Separated Values 37 42. Big Data refers to: a Very large datasets b Small data c Simple data 38 43. Which is not a data format? a JSON b JPG c CSV 39 44. Which of these is a database software? a Photoshop b MS Paint c MySQL 40 45. In Excel, a column and row intersect to form: a Cell b Formula c Graph 41 46. If average of 10 numbers is 20, total sum = a 100 b 200 c 20 42 47. Mode of {2, 3, 3, 4, 5, 5, 5, 6} is: a 2 b 3 c 5 43 48. Range of data {12, 18, 25, 30} = a 25 b 18 c 12 44 49. Which graph is best for comparing data quickly? a Bar graph b Line graph c Pie chart 45 50. Data science is a combination of: a Only English b Math, Statistics, Computer science c Biology, Chemistry, Physics

Data Science Class 8 Quiz

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Data Science Class 8 QuizVersión en línea

por Aksharaa Badhani

6. Which is a primary source of data?

7. Which is a secondary source of data?

8. Data collected over time is called:

9. The first step in data analysis is:

10. Which method is not used for collecting data?

11. Marks obtained by students is:

12. Eye color of students is:

13. Temperature can be classified as:

14. Gender is an example of:

15. Which of the following is discrete data?

16. Average of numbers is called:

17. Middle value of ordered data is called:

18. The most frequent value in data is:

19. Highest value minus lowest value =

20. If marks are 20, 25, 30, 35, 40 → Median is:

21. A graph used to show categories is:

22. Continuous data is shown by:

23. Circle graph is also called:

24. Which chart is used for showing parts of a whole?

25. To show data change over time, we use:

26. Removing incorrect values is called:

27. Missing values in data are handled during:

28. Duplicate data should be:

29. Data stored in rows and columns is:

30. Standard form of storing data is called:

31. Google Maps uses data science for:

32. E-commerce websites use data science for:

33. Weather forecast uses:

34. Which is not an application of data science?

35. YouTube recommendation system works on:

36. Spreadsheet software is:

37. Which language is widely used in data science?

38. SQL is used for:

39. AI stands for:

40. ML stands for:

41. Full form of CSV:

42. Big Data refers to:

43. Which is not a data format?

44. Which of these is a database software?

45. In Excel, a column and row intersect to form:

46. If average of 10 numbers is 20, total sum =

47. Mode of {2, 3, 3, 4, 5, 5, 5, 6} is:

48. Range of data {12, 18, 25, 30} =

49. Which graph is best for comparing data quickly?

50. Data science is a combination of: