Question

Extra Credti: answer the questions about the histogram. 17) The ages of the voters at a poll during a 20-minute period are represented below in the histogram 10 ) How many people participated in the poll? i) What is the class width? i) What is the maximum age of a person included in this pol? iv) Which age group had the fewest participants? it: The correlation coefficient,r is given for a sample of n data points. Use the a -0.0S column in a correlation 18) n-20, -0.301 table to determine whether or not we may conclude that a correlation does exist in the population.

Answer 1

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Mi2 rrom Histogram No.of νο+t« n the pol] () farticipitt, ed ョヤ4- 5十6 3 O) Class coidHh (29-20)+1 W = 0 Since class n tervalis th clusive) fewest paHcfpants are here in agegue (20-29) cobich Is 3puticipants) The

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