GMAT Statistics Tip

If the numbers in a set are evenly spaced, then the mean and median of that set are equal.

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In the GMAT Statistics module, you will learn all of the concepts, techniques and strategies needed to answer statisticsquestions on the GMAT. In particular, the GMAT Statistics module covers the following topics:

  • Mean, median and mode
  • Range
  • Weighted averages
  • Standard deviation

 

GMAT STATISTICS VIDEOS

  • 1. Lesson: Mean, Median & Mode (5:27) BUY
  • 2. Question: Adding k to a Set (1:12)
  • 3. Question: Ages of Ann, Bea and Cho (3:21) BUY
  • 4. Question: Greatest of 5 numbers (2:30) BUY
  • 5. Lesson: When Mean = Median (2:22) BUY
  • 6. Lesson: Weighted Averages (8:00)
  • 7. Lesson: Range and Standard Deviation (10:10) BUY
  • 8. Question: Ordering Standard Deviations (2:09) BUY
  • 9. Question: Comparing Standard Deviations (1:25) BUY
  • 10. Lesson: More Standard Deviation (3:01) BUY
  • 11. Question: Units of Standard Deviation (1:26) BUY
  • 12. Question: Greater than 25 (1:58) BUY
  • 13. Question: New Standard Deviation (1:33) BUY
  • 14. Question: Mean and Median of Set T (0:54) BUY
  • 15. Question: Heights of 6 Children (2:58) BUY
  • 16. Question: Combined Test Scores (2:06) BUY
  • 17. Question: Maximizing Standard Deviation (1:01) BUY
  • 18. Question: Truth About Sets A & B (3:40) BUY
  • 19. Question: The Range of Set A (2:55)
  • 20. Question: Removing x (3:29) BUY
Total viewing time for the GMAT Statistics module: 62 minutes.

Additional Practice

Practice the skills and GMAT-specific strategies you learned in this module by answering the following categorized questions for GMAT Statistics:

Official Guide for GMAT Review (2015 edition or 13th edition)
Problem Solving: 12, 16, 30, 53, 67, 91, 101, 109, 112, 132, 145, 183, 208

Data Sufficiency: 20, 37, 38, 70, 84, 87, 95, 109, 110, 120, 121, 123, 139, 143, 146, 154

Official Guide for GMAT Review (12th edition)
Problem Solving: 5, 14, 27, 57, 69, 93, 99, 132, 180, 184, 199, 201, 207

Data Sufficiency: 28, 32, 53, 81, 84, 93, 98, 105, 116, 129, 134, 136, 141, 146, 147, 161

Official Guide for GMAT Quantitative Review (2nd edition)
Problem Solving: 32, 63, 70, 81, 84, 104, 116, 129, 137, 148, 161

Data Sufficiency: 1, 14, 34, 41, 66, 74, 101, 103, 112, 118

Track your progress by entering answers directly into our free, downloadable GMAT Prep Now Improvement Chart for the Official Guide (2015 edition or 13th edition)

Improvement Chart for the Official Guide (12th edition)