SOLUTIONS & DISCUSSION
PROBLEMS & EXERCISES
UNIT FOUR (FOR EXAM 4)
Unit Four: Assignment 3: Problem 2 page 786
From the graph, can you construct the table from which the graph was drawn?
|
Population class |
% of income |
Cumulative % of income |
|
Lowest fifth |
9.4 |
9.4 |
|
Second fifth |
13.5 |
22.9 |
|
Middle fifth |
17.1 |
40.0 |
|
Fourth fifth |
22.0 |
62.0 |
|
Highest fifth |
38.0 |
100.0 |
The cumulative percentages are shown in the graph. Find the differences between these cumulative percentages in order to find the % of income held by each quintile (20% grouping).
As you can tell from the table, the answer to the question presented is 38%.
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