C207 Flashcards
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| There are two types of statistics (Analytics) | Descriptive and Inferential
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| Descriptive statistics are used to ______ | Inform / Explanatory
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| Inferential statistics are used to ______ | Predict / Trend
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| Name the 4 levels of measurement | (NOIR) Nominal, Ordinal, Interval Ratio
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| Continuous data with unique zero point is _______ level of measurement. | Ratio
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| Orders data at equal distance apart is _______ level of measurement. | Interval
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| Place qualitative objects in some kind of order is _______ level of measurement. | Ordinal
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| Identify, Group, or Categorize is _______ level of measurement. | Nominal
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| Outliers create this type of error | Out-of Range
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| Unpredictable error | Random Error – No correlation
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| Error may occur from missing data. (Example: Space not filled in) | Omission Error – Distorted results
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| This error repeats itself | Systematic Error – Skewed results
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| What is the process of quality control? | Reduce/ minimize errors
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| Types of Studies: All variable measurements and manipulations are under the researcher’s control. | Experimental study
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| Types of Studies: Used when impractical or impossible to control the conditions of the study | Observational study
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| Types of Studies: Participants are not told if they are in the treatment group or control group. | Blind Study
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| Types of Studies: The procedure the researcher applies to each subject | Treatments
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| Types of Studies: Neither the treatment allocator or the participants knows who is in the treatment group or control group | Double blind study
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| Types of Bias: Questions favor an outcome or the interviewer ask questions that favor an outcome. | Information Bias
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| The average outcome (payoff) when the future includes scenarios that may or may not happen | Expected Monetary Value (EMV) Analysis
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| Observation points that are distant from other observations. | Outliers
Note: Can be included or excluded in analysis (causes skewness)
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| Types of Bias: Bias that occurs from not selecting a random sample | Measurement bias
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| Types of Bias: Bias introduced because respondents believe it will be beneficial if selected. | Conscious bias
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Created by:
jaredsthought