GMAT Statistics | GMAT Prep Now Online Course

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 (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 (13th edition)

Improvement Chart for the Official Guide (12th edition)