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WCU Average Time Citizens take to Travel to Work & Back Home Statistics Questions
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The file P02_06.xlsx lists the average time (in minutes) it takes citizens of 379 metropolitan areas to travel to work and back home each day.
- a) Which measure of central tendency is most appropriate? b) What is the value of central tendency?
- a) What is a measure of variability that is useful for the data? b) What is the value of the measure?
- a) What is the value of the mean? b) What is the value of the standard deviation? c) According to the empirical rule, 95% of the observations will lie between ___ and ___. d) Is the empirical rule approximately correct?
