A market research company conducted an analysis of the average weekly expenditure on groceries for households in three different income brackets. The results are shown in the table below:
Income Bracket | Average Weekly Expenditure ($) |
---|---|
Low Income | 150 |
Middle Income | 300 |
High Income | 500 |
Based on this data, consider the following quantities:
Quantity A: The total average weekly expenditure across all income brackets.
Quantity B: The average of the average weekly expenditures from the three income brackets.