Quick Check The table shows the amount of money spent of groceries each
week for eight weeks.
Grocery Bill
$189 $223 $196 $231
$206 $192 $186 $210
1. Find the median and the third and first quartiles.
2. Find the interquartile range.
3. What is the range of the data?
4. Determine whether the statement is always, sometimes, or
never true.
Three fourths of the data lie above the first quartile.