Instructions
A sample of 100 people were tested for protein and vitamin deficieny every year for five years. The number of patients with protein and vitamin deficiency is as shown in the table below. Note that no patient has both vitamin and protein deficiency.
Study the table carefully and answer the questions that follow:
Question 147
What is the average of the patients with protein deficiency over the years?
Solution
The total number of people with protein deficiency = 40 + 30 + 80 + 55 + 70 = 275
So, the average = 275 / 5 = 55
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