Don’t lose your progress!

We cover every section of the GMAT with in-depth lessons, 5000+ practice questions and realistic practice tests.

Up to 90+ points GMAT score improvement guarantee

The best guarantee you’ll find

Our Premium and Ultimate plans guarantee up to 90+ points score increase or your money back.

Master each section of the test

Comprehensive GMAT prep

We cover every section of the GMAT with in-depth lessons, 5000+ practice questions and realistic practice tests.

Schedule-free studying

Learn on the go

Study whenever and wherever you want with our iOS and Android mobile apps.

The most effective way to study

Personalized GMAT prep, just for you!

Adaptive learning technology focuses on your academic weaknesses.

Statistics: Mode

If 5 is the only mode of the following list of numbers, which of the following cannot be the value of $$x$$? >$$\{5, \ 3, \ 7, \ x, \ 5, \ 9, \ 11, \ 7, \ 17, \ 1, \ 5\}$$
Correct. [[snippet]] The mode 5 appears three times in the list of numbers while 7 appears twice. Therefore, $$x$$ cannot be 7 because then 7 will appear three times, and 5 will no longer be the number that appears most in the given list of numbers.
Incorrect. [[snippet]]
Incorrect. [[snippet]]
Incorrect. [[snippet]]
Incorrect. [[snippet]]
3
7
9
11
17