The frequency distribution of the age of 130 persons is given as : what is the minimum age of the oldest 20% of the persons
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Answered by
7
Answer:
Statistics refers to the collection, organization, distribution, and interpretation of data or a set of observations. It is useful in understanding what a dataset reveals about a particular phenomenon. Trends can be studied and results can be drawn from data interpretation. Hence, statistics is a very useful tool to study data.
Answered by
15
Answer:
79.2
Step-by-step explanation:
20% of 130 is 26
26 lies just above the mid pt of the 60-100 age group which has 50 people
So counting from behind, the fomula is
100 - (100-60)*26/50
= 79.2
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