In a data set, if the first quartile (Q1) is 15 and the third quartile (Q3) is 45, what is the interquartile range (IQR)?

In a class test, the scores are ordered as follows: 12, 15, 18, 21, 24, 27, 30, 33, 36, and 39. What is the 4th decile of the scores?

A certain exam has the following scores: 55, 60, 65, 70, 75, 80, 85, 90, 95, 100. What is the median score?

Given the data set: 2, 5, 8, 10, 12, 14, 18, 20. What is the value of the second quartile (Q2) of this data?

Consider the following data set: 3, 7, 8, 12, 15, 16, 18, 21, 24, 30. What is the third quartile (Q3)?

In a set of data, the 6th decile (D6) is 50. If the data is arranged in ascending order, what does this indicate about the data set?

A data set consists of the following values: 11, 14, 14, 15, 18, 20, 21, 23, 25, 30. What is the first quartile (Q1) of this data set?

In a survey of 100 students, the scores have been arranged in ascending order. The 9th decile (D9) is found to be 88. What does this signify?

If the deciles of a data set are calculated and the 3rd decile (D3) is 25, what does this tell us about the distribution of the data?