Question

The frequency distribution of the age of 130 persons is given as : what is the minimum age of the oldest 20% of the persons

Answer 1

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.

Answer 2

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