TSI Statistics Practice Test - Test #9

Practice test #9 for TSI Statistics Practice Test. Contains 10 carefully selected questions to test your knowledge.. Practice with instant feedback and detailed explanations.

About This Practice Test

This practice test contains 10 questions covering key concepts in statistics - test #9. Take your time and answer each question carefully.

Instructions:

  • Read each question carefully before selecting your answer
  • Select the best answer from the multiple choice options
  • Click "Submit Test" when you've completed all questions
  • You'll receive instant feedback with your score
1

What is the range of the data set: 12, 18, 25, 30, 45?

2

A coin is flipped twice. What is the probability of getting two heads?

3

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

4

Which value appears most frequently in this data set: 5, 7, 7, 9, 10, 7, 12?

5

A bag contains 3 red balls and 7 blue balls. What is the probability of drawing a red ball?

6

What is the range of the data set: 12, 18, 25, 30, 45?

7

A coin is flipped twice. What is the probability of getting two heads?

8

In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

9

Which value appears most frequently in this data set: 5, 7, 7, 9, 10, 7, 12?

10

A bag contains 3 red balls and 7 blue balls. What is the probability of drawing a red ball?

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