Karina Hankee Question 1 Not yet answered Marked out of5 A team of students in a
ID: 2946724 • Letter: K
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Karina Hankee Question 1 Not yet answered Marked out of5 A team of students in a statistics class did a class project which studied the Saturday morning waiting times of customers in a popular (unnamed) bank. Walting times were calculated to the nearest tenth of a minute for 100 randomly selected customers The Ster.ndlear graph beows from the 100 collected waiting times Stern-and-Leaf of BankWaitingTimes N = 100 Leaf Unit 0.10 P Flag quession 9 0 000 035778 16 1 0112566 27 2 00233457789 41 3 00002255677899 564 00112 3345567789 66 5 0002456679 74 6 11377789 81 T0145558 88 80037889 92 9 0255 97 10 37899 99 11 47 99 12 100 13 5 How many of the 100 customers had waiting times of less than 3 minutes? To answer the question input enly the actual whole number. Do not include units. Do not give your answer in sentence form Just include the numerical answer. Question 2 Not yel answered Maked out of s t Flag queston Using the same graph from problem 1, what was the longest wait time in the data set? Select one O A 13 miies OB 135 mnutes OC 135 minutes D 100 minnes E None of the above The National Oeganization of Automobie assessment took a random sampte of 176 vehicles (nclating cars, trucks and sport ueliy vehicles) and recorded the mieage mes pes gaton) for each vericie. tbelow is a histogram for the meeage ratingsExplanation / Answer
(a)
The cumulative frequency for stem 2 is 27. That is 27 customers out of 100 had waiting time less than 3 minutes
Answer: 27
Question 2:
The longest time is shown by last stem of stem and leaf display. The values show by last stem is 13.5 minutes. Hence, longest waiting time is 13.5 minutes.
Correct option is C.
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