The sample data below shows the number of hours spent by five students over the weekend to prepare for Monday's Business Statistics exam. 3 12 2 3 5.
The 75^th percentile of the data is the closest to _________.

Question

Quizplus · Accepted Answer

To find the 75th percentile, first arrange the data in ascending order: 2, 3, 3, 5, 12. The 75th percentile position is calculated as 0.75*(n+1) = 0.75*(5+1) = 4.5. The 4th value is 5, and the 5th value is 12. The 75th percentile is the average of these two values: (5+12)/2 = 8.5.

The Sample Data Below Shows the Number of Hours Spent