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5 Written questions
5 Matching questions
 measurement
 conditional probability
 representative sample
 crosssection data
 element
 a sample that represents characteristics of pop. as closely as possible
 b prob. of one event given another already occurred
 c data collected at same point or period of time
 d subject which information is collected
 e value of variable for an element
5 Multiple choice questions
 survey of all members of population
 survey of elements of sample
 countable random value
 variable can assume any numerical value over an interval
 methods used to collect and analyze data to make decisions
5 True/False questions

mean → average

independent events → events that do not affect each other

quantitative variable → variable can be measured numerically

grouped data → data presented in frequency distribution

inferential stats → events that do not affect each other