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### 21 Cards in this Set

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