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As part of a survey 17 college graduates and 18 non graduates were asked How...

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As part of a survey 17 college graduates and 18 non graduates were asked How many hours did you spend at your job last week The results are shown in the stem and leaf display below Answer the questions that follow Number of hours at work Graduates Non graduates 996 223678 87730 312468 9974310 40003778 32 53 Key 26 6 2 2 22 a What were the ranges for the two groups 0 0 Graduates Non graduates b Which group had the higher median number of hours O Graduates O Non graduates O The medians were the same c Which group had more responses in the 50s O Graduates O Non graduates Fach X 5

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