Entry Exam Category: College Admission Exams
Course: Texas Success Initiative Assessment 2.0
Exam: TSIA2 Math Practice Test

Practice Question

Extract

Choose the best answer. If necessary, use the paper you were given.
The average of 5 numbers is 11. Which of the following must be true?

Answer Choices

  • A: The range of the 5 numbers is 55.
  • B: The sum of the 5 numbers is 55.
  • C: The median of 5 numbers is 11.
  • D: The mode of 5 numbers is 11.

Correct Answer: B

Rationale: Average = Sum / Number of terms. 11 = Sum / 5. Therefore, Sum = 11 * 5 = 55. This must be true. The others are not necessarily true.

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