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

Problem Solving (level of difficulty: 350 to 500)

Calvin’s chemistry grade

Public transportation

1.75 standard deviations

Change in mean

Voltage readings

Problem Solving (level of difficulty: 500 to 650)

List S and list T     

Money spent at dinner

Beef and veal

Homes in town X

Q consecutive integers

Median and range of 25

Sum of the two smallest

Combined averages

Average of four numbers

Change in standard deviation

Problem Solving (level of difficulty: 650 to 800)

Cricket player

College theses

82 consecutive odd integers

Tom’s diet

Seven distinct integers

21 different numbers

Data Sufficiency (level of difficulty: 350 to 500)

Eleven consecutive integers

Standard deviation of set Q

Shipment of oranges

Is x less than 16?

Data Sufficiency (level of difficulty: 500 to 650)

Shelves J and K

Set K

Does mean = median?

Data Sufficiency (level of difficulty: 650 to 800)

Employed or over 65

Comparing salaries

 

Practice from the Official Guides

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 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)

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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