The figure below shows the distribution of American families by income. Ranges i

Question

The figure below shows the distribution of American families by income. Ranges include the left endpoint but not the right. For example. 3.7% of the families had incomes in the range $0-$4, 999, 5.8% had incomes in the range $5,000-$9, 999, and so forth. True or False, and explain: Although American families are not spread evenly over the whole income range, the families that earn between $10,000 and $35,000 are spread fairly evenly over that range. The families that earn between $35,000 and $75,000 are spread fairly evenly over that range. The graph is a histogram.

Explanation / Answer

a: False

The families that earn between $10,000 and $35,000 are spread fairly evenly over than range .

False. The range beween $10,000 and $35,000 are divided into 3 ranges. Following is the 3 ranges and their percentages and they are quite different so they are not spread fairly evenly over than range

b. True . The families that earn between $35,000 and $75,000 are spread fairly evenly over the range:

The range beween $35,000 and $75,000 are divided into 2 ranges. Following is the 2 ranges and their percentages and they are approxmately equal so they spread fairly evenly over than range

C. Yes the graph is histogram

Range Percentage $10,000 - $14,999 7.3% $15,000 - $24,999 15.6% $25,000 -$34,999 15%

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