Measures of Central Tendency

Math ⇒ Statistics and Probability

Measures of Central Tendency starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Measures of Central Tendency. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 9

A class of 10 students scored the following marks in a test: 12, 15, 14, 13, 15, 16, 14, 13, 15, 14. What is the mode?

A data set consists of the following numbers: 8, 12, 15, 20, 25. If 10 is added to each value, what is the new mean?

A data set has the following values: 5, 7, 7, 8, 10, 12, 12, 12, 15. What is the mode?

A data set has the values: 10, 20, 30, 40, 50. What is the mean?

A data set has the values: 2, 4, 6, 8, 10. If each value is multiplied by 3, what is the new mean?

A data set has the values: 3, 3, 6, 9, 12, 15, 18. What is the median?

A data set has the values: 5, 7, 9, 11, 13, 15, 17. What is the mean?

A set of numbers has a mean of 20. If one number, 30, is removed, the new mean becomes 18. How many numbers were in the original set?

Find the mean of the first five positive even numbers.

Find the median of the following data set: 7, 3, 9, 5, 11.

Given the data set: 12, 15, 14, 10, 13, 15, 16, what is the median?

Given the data set: 3, 5, 7, 9, 11, what is the mean?

If a data set has no repeated values, what can you say about the mode?

If all values in a data set are increased by 5, what happens to the mean?

If the data set is 1, 2, 2, 3, 4, 4, 4, 5, what is the mode?

If the data set is 2, 4, 6, 8, 10, 12, what is the median?

If the mean and median of a data set are equal, what can you say about the distribution?

If the mean of a data set is 25 and each value is increased by 4, what is the new mean?

If the mean of a data set is 50 and each value is divided by 2, what is the new mean?

If the mean of five numbers is 15, what is their total sum?