Elementary Statistics Chapter 1,2,3 || Already Passed.

Areas Under the Curve correct answers Equal segments (also called just areas) when added up will equal 100% Biased Sample correct answers A sample in which some members of the population are less likely to be included than others No ability to generalize i.e a sample of volunteers Coefficient of Determination correct answers Variation over-lap (remember circles % which is shared) Coefficient of Non-Determination correct answers % of non-overlap (remember circles percent not shared) Confounding Variable correct answers Any variable(s) highly related to the independant (IV) (treatment)/dependant variable that may effect the accuracy of our results...(IQ) Constant correct answers A characteristic under study that has a fixed value Continuous Variables correct answers Some variables can not be counted, and they can assume any numerical value between two numbers Correlation correct answers The extent to which two variables change together in a systematic way or "co-vary" (the relationship or association between two variables). This relationship is Linear. Does not infer causation!! Correlation Matrix correct answers Found in literature. Lists variables across the top and side. Correlation Research correct answers Is always tentative Covariance correct answers Relationship or the measure of the relationship that is non-standardized (sister measurement to correlation) Cross section Data correct answers Data collected on different elements at the same point in time or for the same period of time Curvilinearity correct answers Non-Linear, Pearson r is meaningless (words of caution) Data correct answers Sets of numbers we collected that represents some measurement/Information about individuals in a population Dependent Variable correct answers The variable we measure "Data" the observed outcome of interests, data, the effect in terms of cause and effect