Chapter 1, Problem 51A

Interpretation Introduction

Interpretation:

Whether the given statement is qualitative or quantitative needs to be determined..

Concept introduction:

Quantitative data are measures of values or counts and are expressed as numbers. It is the data about numeric variables. Qualitative data are measures of 'types' and may be represented by a name, symbol, or a number code.

Answer to Problem 51A

“Visibility is only $1.7$ km. Pollutants in the air are expected to rise above 0.085 parts per million (ppm) in the next eight-hour average” − Quantitative Statement.

“The air quality is poor. Spend little time outside today as possible if you suffer from asthma or other breathing problems” − Qualitative Statement.

Explanation of Solution

“Visibility is only $1.7$ km. Pollutants in the air are expected to rise above 0.085 parts per million (ppm) in the next eight-hour average” This statement represents the data in numeric values. Hence, this statement is Quantitative Statement.

“The air quality is poor. Spend little time outside today as possible if you suffer from asthma or other breathing problems” statement refers to the observation and characteristics of the quality of air. Hence, this statement is Qualitative Statement.

Conclusion

First statement is Quantitative Statement and second statement is Qualitative Statement.