Hazardous waste Following Is a list of the number of hazardo

Hazardous waste: Following Is a list of the number of hazardous waste sites in a sample of of the United States in a recent ear. The list has been sorted into numerical order. Find the first and third quartiles of these data. the first quartile of these data Is the third quartile of these data Is

Solution

Arrange the data in ascending order:

The first quartile is the median of the part below the median of the total data.

Thus the first quartile is: (14+14)/2=14

Similarly the third quartile is the median of the part which lies above the median of the total data.

Thus the third quartile is: (40+48)/2=44