Q. 8 - The Practice of Statistics for AP

Question

Household incomes Rich and poor households differ in ways that go beyond income. Following are histograms that compare the distributions of household size (number of people) for low-income and high-income households.53 Low-income households had annual incomes less than \(15,000, and high-income households had annual incomes of at least \)100,000.

(a) About what percent of each group of households consisted of two people?

(b) What are the important differences between these two distributions? What do you think explains these differences?

Step-by-Step Solution

Answer

The answer for (a) is the household of two peoples comprise almost 20% of those who are low income and almost 35% of those who are high income. 

(b) is : Less than 10% of households with a high income and consist of 1 person. 

Task 1: Description of the provided information

As per the provided data, rich and poor households differ in ways that go beyond income. 

The histograms compare the distributions of household size (number of people) for low-income and high-income households.53 Low-income households had annual incomes less than $15,000, and high-income households had annual incomes of at least $100,000. 

Task 2: Result of (a) and (b)

(a)

On the basis of the height of the bar the 2 on the horizontal axis on effectively each graph.

Hence the answer for (a) is the household of two peoples comprise almost 20% of those who are low income and almost 35% of those who are high income. 

(b)

Majority of households with low income consist of 1 person. 

Thus, it depicts low income containing jobless or started working,

Therefore, almost less than 10% of households with a high income and consist of 1 person.