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16 Cards in this Set
- Front
- Back
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creation of a computer file that holds the raw data taken from all of the questionnaires deemed suitable for analysis.
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data entry
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coded raw data from a survey
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data matrix
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process of describing a data matrix by computing a small number of measures that characterize the data set
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data summerization
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1) Summarizes Data
2) Applies understandable concepts 3) Communicates underlying patterns 4) Generalizes sample findings to the population (FUNCTIONS OF....) |
Data Analysis
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used to generate conclusions about the population's characteristics based on the sample data
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inferential analysis
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determines the degree to which real and generalizable differences exist in the population to decide which advertising to use
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differences analysis
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determines the strength and direction of relationships between two or more variables
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associative analysis
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allows one to make forecasts of future events
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predictive analysis
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3 measures of central tendency
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mode, median, mean
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value in a string of numbers that occurs most often
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mode
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expresses the value whose occurrence lies in the middle of a set of ordered values
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median
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arithmetic average of a set of numbers
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mean
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___ reveals the typical difference between the values in a set of values
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measures of variability
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measures of variability include: 3
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frequency distribution, range, and standard deviation
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tabulation of the number of times that each different value appears in a particular set of vaules
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frequency distribution
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the degree of variation or diversity in the values in such a way as to be translatable into a normal bell shaped curve distribution
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standard deviation
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