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Study
Statistics Unit 1
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What type of data collection uses observations but does not interact with the subjects being observed?
Observational Study
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A number that describes a population characteristic.
Parameter
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Hair color and social security number are what type of data?
Qualitative data
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Sampling technique that selects every kth member of the population.
Systematic sample
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Type of data collection used when it is too dangerous to perform an experiment.
Simulation
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Height and age are what type of data?
Quantitative data
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What is an inherent zero?
Implies none
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Yes/no, true/false questions are what level of measurement?
Nominal Level
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This is the science of collecting, organizing, analyzing, and interpreting data to make a decision.
Statistics
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Created statistics by studying mortality rates
John Graunt
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Sampling technique that often leads to biased results.
Convenience sample
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A number that describes a sample characteristic
Statistic
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Consists of numerical measurements or counts
Quantitative data
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Temperature is what level of measurement?
Interval Level
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Subset of the population
Data
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Collection of all outcomes, responses, and measurements that are of interest.
Population
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Top 5 movies is what level of measurement?
Ordinal Level
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Consists of attributes or labels
Qualitative Data
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Consists of information coming from observations, counts, measurements, or responses
Data
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Count or measure of an entire population
Census
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Heart rate is what level of measurement?
Ratio Level
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