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One investigating company tracked all credit card purchase during 2012 and measured two variables: (1) the type of credit card used (VISA, MasterCard, American Express, or Discover), and (2) the amount (in dollars) of each purchase. Identify the level of each variable measured.

Respuesta :

The level of each variable measured is (1)  the type of credit card is Nominal variable or a categorical variable which comes under multiple categories.(2) the amount (in dollars) of each purchase is ration variable it can have both discrete it starts at a fixed zero point.

Explanation:

  • There are four levels of measurement, while analyzing data of columns.
  • Nominal,Ordinal, Interval and ratio.
  • Nominal each row of that particular column has specific identification.
  • Nominal can have classification race,gender,ethnicity.
  • Ordinal data is based on the ranking system, order or list.
  • Numbers are still used arbitrary.
  • Interval distance between the numbers Celsius,Fahrenheit and kelvin.
  • Ratio data has an absolute zero point non-arbitrary, It is measuring .
  • Blood pressure is a common example of ratio data.

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