A sample of 340 people is Selected. The people sampled are classified according
ID: 3252069 • Letter: A
Question
A sample of 340 people is Selected. The people sampled are classified according to their place of residence and the highest educational degree that they have earned. The results are given in the contingency table below.
Highest degree earned
No college degree Two-year degree Four-year degree Advanced degree
Place of residence Urban 48 29 26 16
Place of residence Suburban 25 23 19 17
Place of residence Rural 35 41 32 29
What is the relative frequency of people in the sample whose place of residence is suburban? Round your answer to at least two decimal places.
Explanation / Answer
Answer
Relative frequency of people in the sample whose place of residence is suburban
= ( 25 + 23 + 19 + 17)/(48 + 29 + 26 + 16 + 25 + 23 + 19 + 17 + 35 + 41 + 32 + 29)
= 84/340
= 0.2471