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