Basic Statistics

Maths, SSC-KPK Class 10. This chapter is split into 49 topics and has 1,189 practice questions. The topics covered are listed below, followed by 10 free sample questions from the chapter.

Topics in this chapter

1. Histogram with equal intervals: boundaries and bar heights 25 questions
2. Mean of grouped data by the short-cut method 27 questions
3. Variance and standard deviation of a discrete frequency distribution 24 questions
4. Class marks (mid-points) and class width from boundaries 25 questions
5. Class limits and class boundaries 29 questions
6. Statistics, data and frequency tables 23 questions
7. Median of grouped (continuous) data by the formula 27 questions
8. Exercise 6.3 Q6 and Q8: comparing the A.M, G.M, H.M, median and mode 23 questions
9. Frequency tables, polygons and ogives: data-based tasks 21 questions
10. Measures of central tendency: meaning and types 23 questions
11. Harmonic mean: definition, formula and ungrouped data 22 questions
12. Cumulative frequency: concept and discrete data 28 questions
13. Geometric mean: definition and logarithm method 22 questions
14. Range of ungrouped and grouped data 25 questions
15. Ogive (cumulative frequency polygon): construction and reading 23 questions
16. Exercise 6.3 style questions on grouped wages and other data 20 questions
17. Cumulative frequency table for grouped data 25 questions
18. Exercise 6.4: range, mean, median, variance and consistency 24 questions
19. Median of ungrouped data: definition and odd number of values 24 questions
20. Geometric mean of grouped data 22 questions
21. Arithmetic mean by the short-cut (assumed mean) method 27 questions
22. Histogram: definition and properties 23 questions
23. Variance and standard deviation of ungrouped data 26 questions
24. Discrete frequency table and tally marks 23 questions
25. Mode of ungrouped and discrete data 23 questions
26. Variance and standard deviation of grouped data (Example 35) 25 questions
27. Quartiles from the ogive and by interpolation 24 questions
28. Constructing a continuous frequency table from data 27 questions
29. Arithmetic mean of a discrete frequency distribution 27 questions
30. Mode of grouped data by the formula 21 questions
31. Frequency polygon: definition and construction 26 questions
32. Arithmetic mean of grouped (continuous) data by the direct method 28 questions
33. Properties of the arithmetic mean 24 questions
34. Moving averages 25 questions
35. Estimating the mode graphically from a histogram 21 questions
36. Standard deviation and variance: definitions and formulas 21 questions
37. Unit 6 summary: key statements and common errors 21 questions
38. Range, number of groups and class width 27 questions
39. Harmonic mean: calculations 25 questions
40. Median of a discrete frequency distribution 24 questions
41. Estimating the median graphically from an ogive 24 questions
42. Arithmetic mean of ungrouped data 29 questions
43. Review Exercise 6: multiple-choice items 23 questions
44. Histogram with unequal class intervals (adjusted frequency) 26 questions
45. Median of an even number of values 23 questions
46. Combined mean and weighted mean 26 questions
47. Comparing mean, median and mode, and choosing the appropriate average 22 questions
48. Harmonic mean of grouped data and comparison of the means 22 questions
49. Geometric mean of ungrouped data: calculations 24 questions