qualitative vs quantitative practice Flashcards
The colors of automobiles on a used car lot B
qualitative
the numbers on the shirts of a girl’s soccer team
qualitative
the number of seats in a movie theater
quantitative
a list of house numbers on your street
qualitative
the number of complaint letters received by the United States Postal Service in a given day
quantitative
define qualitative data
variables that represent an attribute and can be assigned to a unique category. deals with descriptions.
Data can be observed but not measured.
Colors, textures, smells, tastes, appearance, beauty, etc.
qualitative –> quality
define quantitative data
Quantitative data deals with numbers. variables who’s values are determined by counting or measurements.
Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc.
Quantitative → Quantity
What are the three measures of central tendency?
mean, median, mode
When to use mean?
most of the time, if scores aren’t extreme or categorical
when to use median?
when you have extreme scores and don’t want to distort average (income).
when to use mode?
when data is categorical and values can only fit into one class (hair color, religion, political affiliation)