Question: 311 before treatment with a new drug 11 people with...
3.11 Before treatment with a new drug 11 people with sleep problems have a median sleeping time of 2 hours per night. A drug is administered, and it is known for good scientiﬁc reasons that if it has an eﬀect it will increase sleeping time, but some doctors doubt if it will have any eﬀect. Are their doubts justiﬁed if the hours per night slept by these individuals after taking the drug are:
3.1 1.8 2.7 2.4 2.9 0.2 3.7 5.1 8.3 2.1 2.4