Instruction 3-1
Health care issues are receiving much attention in both academic and political arenas. A sociologist recently conducted a survey of citizens over 60 years of age who have no private health insurance. The ages of 25 uninsured senior citizens were as follows:
60, 61, 62, 63, 64, 65, 66, 68, 68, 69, 70, 73, 73, 74, 75, 76, 76, 81, 81, 82, 86, 87, 89, 90, 92
-Referring to Instruction 3-1,identify which of the following is the correct statement.
A) 25% of the senior citizens sampled are older than 81.5 years of age.
B) The middle 50% of the senior citizens sampled are between 65.5 and 73.0 years of age.
C) One fourth of the senior citizens sampled are below 64 years of age.
D) All of the above are correct.

Question

Quizplus · Accepted Answer

The ages are sorted, and the 75th percentile (25% older) is the 19th value, which is 82.

Instruction 3-1 Health Care Issues Are Receiving Much Attention in Both Academic