A courier company is reviewing their delivery times. The following descriptive statistics relates to this courier company. The mean time for package delivery is 5 hours, the first quartile is 4 hours, the third quartile is 17 hours. This means that 75% of deliveries take more than 4 hours?

Question

Quizplus · Accepted Answer

The first quartile (Q1) represents the 25th percentile, meaning 25% of deliveries take less than 4 hours, so 75% take more than 4 hours.

A Courier Company Is Reviewing Their Delivery Times