SSC CAPFS and DP - statistical basics for aptitude - mean median mode, simple interpretation of charts Online Test (MCQ Quiz)

1. What is the arithmetic mean of the numbers 2, 4, 6, 8, and 10?

A) 5 B) 6 C) 7 D) 8

2. Find the median of the dataset: 3, 7, 1, 9, 5.

A) 3 B) 5 C) 7 D) 9

3. What is the mode of the following dataset: 5, 7, 5, 8, 9, 5, 7, 5?

A) 5 B) 7 C) 8 D) 9

4. If a dataset is skewed to the right, which of the following relationships typically holds true?

A) Mean < Median < Mode B) Mode < Median < Mean C) Median < Mean < Mode D) Mean = Median = Mode

5. What does the median represent in a dataset?

A) The most frequently occurring value B) The average of all values C) The middle value when the data is ordered D) The range of the data

6. Calculate the mean of the first five prime numbers.

A) 5.2 B) 5.6 C) 6.0 D) 7.2

7. What is the median of the dataset: 10, 20, 30, 40, 50, 60?

A) 30 B) 35 C) 40 D) 45

8. Which measure of central tendency is most affected by outliers?

A) Median B) Mode C) Mean D) Range

9. In a bar chart, what does the height of each bar typically represent?

A) The average value for that category B) The frequency or count for that category C) The cumulative total up to that category D) The proportion of that category

10. What is the mode of the numbers: 1, 2, 2, 3, 3, 3, 4, 4?

A) 2 B) 3 C) 4 D) 1

11. If the sum of 7 numbers is 140, what is their mean?

A) 10 B) 20 C) 30 D) 40

12. Consider the dataset: 5, 1, 4, 2, 3. What is the median?

A) 1 B) 2 C) 3 D) 4

13. Which statistical measure is used to identify the most common occurrence in a dataset?

A) Mean B) Median C) Mode D) Standard Deviation

14. In a pie chart, what does the entire circle represent?

A) The average value of all categories B) The total number of observations C) The sum of all proportions D) 100% of the data

15. What is the mean of the dataset: 15, 25, 35, 45?

A) 25 B) 30 C) 35 D) 40

16. Find the median of the dataset: 2, 8, 4, 10, 6, 12.

A) 6 B) 7 C) 8 D) 9

17. What is the mode of the following scores: 88, 75, 92, 88, 75, 88, 95?

A) 75 B) 88 C) 92 D) 95

18. A line graph is most suitable for displaying:

A) Comparison of discrete categories B) Distribution of a single variable C) Trends over time D) Proportions of a whole

19. If the mean of a dataset is 50 and the median is 45, the dataset is likely:

A) Symmetric B) Skewed to the left C) Skewed to the right D) Uniformly distributed

20. What is the sum of the deviations of each data point from the mean of the dataset?

A) Always zero B) Always positive C) Always negative D) Equal to the mean

21. Calculate the mean of the first 10 natural numbers.

A) 5 B) 5.5 C) 6 D) 10

22. What is the median of the dataset: 1, 1, 2, 3, 5, 8, 13?

A) 1 B) 3 C) 5 D) 8

23. If a dataset has no repeated values, what can be said about its mode?

A) The mode is the mean B) The mode is the median C) The dataset has no mode D) The mode is 1

24. In a scatter plot, what is represented on the horizontal axis?

A) The dependent variable B) The independent variable C) The frequency D) The mean

25. What is the mode of the following values: 100, 120, 100, 150, 120, 100, 130?

A) 100 B) 120 C) 130 D) 150

26. If you have the following data: 2, 2, 3, 4, 4, 4, 5. What is the median?

A) 3 B) 4 C) 4.5 D) 5

27. Which measure of central tendency is least affected by extreme values?

A) Mean B) Median C) Mode D) Variance

28. What does the 'Mean Absolute Deviation' measure?

A) The average distance of data points from the median B) The average distance of data points from the mode C) The average distance of data points from the mean D) The range of the data

29. What is the mean of the following set of numbers: 1, 3, 5, 7, 9?

A) 3 B) 5 C) 7 D) 9

30. Find the median of the dataset: 11, 15, 13, 17, 19, 12.

A) 12 B) 13 C) 14 D) 15

31. What is the mode of the numbers: 10, 12, 15, 12, 10, 12, 10?

A) 10 B) 12 C) 15 D) Neither 10 nor 12

32. In a histogram, the bars usually:

A) Have gaps between them B) Touch each other C) Represent individual data points D) Are of varying widths

33. If the mean is greater than the median, the distribution is likely:

A) Symmetric B) Skewed to the left C) Skewed to the right D) Bimodal

34. What is the sum of 5 numbers if their mean is 12?

A) 5 B) 17 C) 60 D) 144

35. What is the median of the dataset: 4, 8, 2, 10, 6?

A) 2 B) 4 C) 6 D) 8

36. Which term refers to the middle value of a dataset when arranged in order?

A) Mean B) Mode C) Median D) Range

37. What does a frequency polygon connect?

A) The tops of the bars in a histogram B) The midpoints of the upper sides of the bars in a histogram C) The start and end points of the x-axis D) The minimum and maximum values

38. If a dataset is perfectly symmetric, which is typically true?

A) Mean < Median < Mode B) Mode < Median < Mean C) Mean = Median = Mode D) Mean = Mode, Median can be different

39. Calculate the mean of the numbers: 1.5, 2.5, 3.5, 4.5.

A) 2.5 B) 3.0 C) 3.5 D) 4.0

40. What is the median of the dataset: 100, 10, 1, 1000, 100?

A) 10 B) 100 C) 1000 D) 101

41. Which of the following is NOT a measure of central tendency?

A) Mean B) Median C) Mode D) Standard Deviation

42. In a double bar chart, what is typically compared?

A) Trends over time for a single category B) Proportions of different categories C) Two or more related variables across categories D) The overall total

43. What is the mode of the numbers: 7, 7, 8, 8, 9, 9?

A) 7 B) 8 C) 9 D) No unique mode

44. Consider the dataset: 12, 15, 18, 21, 24. What is the mean?

A) 15 B) 18 C) 21 D) 24

45. Find the median of the dataset: 50, 60, 70, 80, 90, 100.

A) 60 B) 70 C) 80 D) 85

46. What is the mode of the following numbers: 1, 2, 3, 1, 2, 1, 4?

A) 1 B) 2 C) 3 D) 4

47. A cumulative frequency graph is also known as a:

A) Histogram B) Frequency Polygon C) Ogive D) Scatter Plot

48. If the median of a dataset is 30 and the mean is 35, the distribution is likely:

A) Symmetric B) Skewed to the left C) Skewed to the right D) Uniform

49. What is the mean of the numbers 2, 3, 4, 5, 6?

A) 3 B) 4 C) 5 D) 6

50. What is the median of the dataset: 10, 5, 15, 20, 25?

A) 5 B) 10 C) 15 D) 20

statistical basics for aptitude - mean median mode, simple interpretation of charts - Online Test

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