STA 2023: Lecture 3 Summary Statistics Exam Questions And Answers ( Verified And Updated )
STA 2023: Lecture 3 Summary Statistics Exam Questions And Answers ( Verified And Updated ) objectives of summary statistics - answer-measuring center: mean and median -measuring spread: Quartiles -measuring spread: standard deviation -choosing measures of center and spread mean (arithmetic average) - answerthe most common measure of center -to find, add the values and divide by the number of observations -cannot resist the influence of extreme observations (add values and divide by the number of observations) median - answerthe midpoint of a distribution, the number such that half of the observations are smaller and the other half are larger - to find; arrange all observations from smalles
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