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21 Cards in this Set
- Front
- Back
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Descritive Statics
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Orginize and discribe data
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Inferential Statics
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sample in a population 15 thousand women at MCC just study 50 women
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population
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whole group
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Sample
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part of a whole
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variable
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any characteristic that can take on different values.
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independent variable
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the variable that you are testing its affect on other variables - change the light in the room to see if it affects test scores
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Dependent variable
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results depented on the independent variable
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Statistic
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number that is giving some information, summerizing characteristic about the sample
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Parameter
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the true number of the whole poputation- never 100% sure that the whole population is the same when using part of a whole
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Frequency
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number of times a given score was obtained
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Histogram
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bar graph
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Discrete
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whole #
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symmetry
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same both sides are =
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skewed
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graph goes up and down the strate positive or negative
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modaltiy
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how many picks it has
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normal distibution
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bell curve standard form of a graph
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Raw Score
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score that has not been changed or transfromed - actual score
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Percentile Rank
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percent of people that score at or lower than your score placement
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Percentile
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just the percent at that point not a rank
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Quartile
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a transformed score that divides the number of cases into four equal parts.
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Decile
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a transformed score that divides the number of cases into ten equal parts.
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