Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data...

Qualitative data measure a quality or characteristic on each experimental unit. Qualitative data are categorized according to similarities or differences in kind, hence they are often called categorical data

Student Gender - Male, Female

Political affiliation: Republican, Democrat, Independent

Taste ranking: excellent, good, fair, poor

Quantitative data measure a numerical quantity or amount on each experimental unit. ex. Number of passengers on a flight from Delhi to Mumbai.

1. A survey response to "Do you favor a flat tax?" - In this example data are categorized in two category Yes and No, hence it comes under Qualitative data/ Categorical data

2. Quantitative data are classified into - Discrete and Continuous, hence the given data are neither discrete not continuous

3. Data can be classified into four levels of measurement:

Nominal => Ordinal => Interval => Ratio ( Highest level )

Nominal - Its lowest level of measurement in which data are Qualitative, ex. Color of hair, Yes / No responses of survey

Ordinal Level - Data are ordered but ex. A>B>C but without any other information

Interval Level - Differences between the data makes sense, ex. Fahrenheit and Celsius scales of temperatures are examples of interval level of measurement

Ratio Level - It is Highest level of measurement, Distances in any system of measurement gives data at the ratio level