Here’s the frequency histogram for the sample , with 22,378 household incomes. E
ID: 1127074 • Letter: H
Question
Here’s the frequency histogram for the sample , with 22,378 household incomes. Each bar is labeled with its exact height. Using this information, which of the following statements must be true? Choose all that apply.
1. The total number of households in the sample with income in the range $60,000/year to$ 90,000/year is 4,086.
2.The total number of households in the sample with income in the range $75,000/year to $82,500/year is 907.
3.The percent of households in the sample with income less than $30,000/year is 26.1%, rounded to the nearest tenth percent.
Distribution of Household Income Frequency 3500 3000 2000 1500 1000 500 Household Income 75 000 150000 225000 300000 375 000 450000 525000Explanation / Answer
Options 1 and 3 are correct
The total number of households in the sample with income in the range $60,000/year to$ 90,000/year = 2272 + 1814 = 4086
The percent of households in the sample with income less than $30,000/year = 100 x (2373 + 3457)/22378 = 26.1%