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14 Cards in this Set

  • Front
  • Back
Data collection requires the use of one of four types of measurment: name the four
Nominal , Ordinal , Interval or Ratio are the four scales of data measurment
Page 6
The facts and figures collected analyzed and summarized for presentation and interpretation are called what?
Data
Page 5
The entities on which data are collected are called
Elements
Page 5
A charecteristic of interest for an element is called a what?
Variable
Page 5
When the data for a variable consists of labels or names used to identify and attribute of the element the scale of measurment is considered
Nominal scale
Page 6
When the data for a variable consists of labels or names used to identify an attribute of the element and THE ORDER matters the scale of measurment is considered
Ordinal scale
Page 6
When data has Ordinal properties AND the interval between values is expressed as a fixed unit of measure the scale of measurment is called
Interval scale
Page 6
If the scale of measurment has all the properties of Interval data and the ratio of two values is meaningful then the scale is called what
The Ratio scale of measurment
Page 6
Data can have two classifications ... name them
Categorical and quantitative
Page 5
What two scales of measurment can be used with categorical data?
Nominal scale and ordinal scale
Page 5
Data that can be grouped by specific categories is called
Categorical data
Page 6
Data that uses numerical values to indicate how much or how many is refered to as what kind of data
Quantitative
Page 6
Data collected over several time periods is
Time series data
Page 6
Data collected at the same or approximately the same point in time
Cross sectional data
Page 6