# ACT Statistics Questions

Preparing for the ACT exam can be a daunting task, especially when it comes to the statistics section. Many students struggle with understanding and interpreting statistical data, which is why it’s important to practice ACT statistics questions beforehand. By familiarizing yourself with different types of statistical problems, you can improve your chances of scoring well on this section of the exam.

In this article, we will provide you with a comprehensive list of ACT statistics questions to help you prepare effectively. Whether you’re a student looking to improve your statistics skills or a tutor seeking practice questions for your students, this list will be a valuable resource.

By practicing these ACT statistics questions, you will gain confidence in your ability to solve statistical problems and become better equipped to tackle them on the actual exam. Remember, practice makes perfect, so make sure to allocate sufficient time to work through these questions and understand the underlying concepts.

## See These ACT Statistics Questions

- 1. What is the mean of the following data set: 10, 12, 15, 18, 20?
- 2. Find the median of the data set: 5, 7, 9, 11, 13, 15, 17.
- 3. Calculate the mode of the following data set: 4, 5, 6, 7, 8, 9, 9, 9, 10.
- 4. A survey found that 75% of students prefer pizza over burgers. If there are 200 students in total, how many prefer pizza?
- 5. In a class of 30 students, the average score on a test was 85. If the sum of all the scores was 2550, what was the highest possible score a student could have achieved?
- 6. A car dealership sold 120 cars in January, 150 cars in February, and 180 cars in March. What was the average monthly sales for the first quarter?
- 7. In a group of 50 people, 30 were males and 20 were females. What percentage of the group were males?
- 8. The heights (in inches) of a group of students are as follows: 62, 65, 68, 70, 72. Find the range.
- 9. A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If a marble is drawn at random, what is the probability of it being blue?
- 10. The ages (in years) of a group of friends are as follows: 18, 20, 22, 24, 26. What is the standard deviation?
- 11. A survey of 100 students found that 70% of them participate in extracurricular activities. How many students participate in extracurricular activities?
- 12. The average weight of 10 apples is 150 grams. If the weight of one apple is 120 grams, what is the weight of the remaining apples?
- 13. In a group of 60 people, 45 were right-handed. What percentage of the group were left-handed?
- 14. A store sold 50 shirts on Monday and 80 shirts on Tuesday. What was the total number of shirts sold in these two days?
- 15. The test scores of a class are as follows: 90, 85, 92, 88, 95. Find the variance.
- 16. A bag contains 6 red balls, 4 blue balls, and 2 yellow balls. If a ball is drawn at random, what is the probability of it being red?
- 17. The heights (in inches) of a group of students are as follows: 64, 66, 68, 70, 72. Find the mean absolute deviation.
- 18. A survey found that 60% of people prefer cats over dogs. If there are 500 people surveyed, how many prefer cats?
- 19. In a class of 25 students, the average score on a test was 80. If the sum of all the scores was 2000, what was the lowest possible score a student could have achieved?
- 20. A car dealership sold 150 cars in January, 120 cars in February, and 180 cars in March. What was the total number of cars sold in the first quarter?
- 21. In a group of 40 people, 25 were males and 15 were females. What percentage of the group were females?
- 22. The weights (in pounds) of a group of students are as follows: 120, 130, 140, 150, 160. Find the mode.
- 23. A bag contains 7 red marbles, 3 blue marbles, and 4 green marbles. If a marble is drawn at random, what is the probability of it being green?
- 24. The ages (in years) of a group of friends are as follows: 18, 20, 22, 24, 26. What is the range?
- 25. A survey of 200 students found that 80% of them participate in sports. How many students participate in sports?
- 26. The average height of 5 people is 160 cm. If one person is 150 cm tall, what is the average height of the remaining people?
- 27. In a group of 80 people, 60 were right-handed. What percentage of the group were left-handed?
- 28. A store sold 100 shirts on Monday and 120 shirts on Tuesday. What was the average number of shirts sold per day?
- 29. The test scores of a class are as follows: 80, 85, 90, 95, 100. Find the standard deviation.
- 30. A bag contains 5 red balls, 3 blue balls, and 2 yellow balls. If a ball is drawn at random, what is the probability of it being blue?
- 31. The heights (in inches) of a group of students are as follows: 62, 64, 66, 68, 70. Find the median.
- 32. A survey found that 70% of people prefer dogs over cats. If there are 300 people surveyed, how many prefer dogs?
- 33. In a class of 20 students, the average score on a test was 70. If the sum of all the scores was 1400, what was the highest possible score a student could have achieved?
- 34. A car dealership sold 100 cars in January, 150 cars in February, and 200 cars in March. What was the average monthly sales for the first quarter?
- 35. In a group of 50 people, 30 were males and 20 were females. What percentage of the group were males?
- 36. The weights (in pounds) of a group of students are as follows: 120, 125, 130, 135, 140. Find the range.
- 37. A bag contains 4 red marbles, 2 blue marbles, and 1 green marble. If a marble is drawn at random, what is the probability of it being red?
- 38. The ages (in years) of a group of friends are as follows: 18, 20, 22, 24, 26. What is the mean absolute deviation?
- 39. A survey of 150 students found that 65% of them participate in extracurricular activities. How many students participate in extracurricular activities?
- 40. The average weight of 8 apples is 200 grams. If the weight of one apple is 180 grams, what is the weight of the remaining apples?

These are just a few examples of the type of statistics questions you may encounter on the ACT exam. Use this list as a starting point for your preparation, and don’t forget to practice regularly to improve your skills. Good luck!