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Sagot :
Since, the average age of 33 fifth-graders is 11. the average age of 55 of their parents is 33. The average age of all of these parents and fifth graders is 24.75.
Average age of the population calculated as the arithmetic mean. Another parameter determining the average age of the population is the median age. High-level terms.
Given In the question:
Average age of 33 fifth graders is 11 years.
Average age of parents is 33 Years.
Therefore,
The sum of the ages of the fifth graders is 33 × 11,
and, the sum of the ages of the parents is 55 × 33.
Therefore, the total sum of all their ages must be 2178,
and given 33 + 55 = 88 people in total, their average age is
= 2178/88
= 99/4
= 24.75
Learn more about Average Age:
https://brainly.com/question/14208748
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