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concierge or DPC models?
Question
random selection of older passenger cars.†
(a) Is the shape of the histogram essentially bimodal?
Yes, because the histogram has one peak.
Yes, because the histogram has two peaks.
No, because the histogram has one peak.
No, because the histogram has two peaks.
(b) Jose looked at the raw data and discovered that the 54 data values included both the city and highway mileages for 27 cars. He used the city mileages for the 27 cars to make the histogram below.
Using this information and the histograms shown above, construct a frequency table for the highway mileages of the same cars. Use class boundaries 16.5, 20.5, 24.5, 28.5, 32.5, 36.5, and 40.5.
Question
Association Almanac of Higher Education gives the following average distribution of professional time allocation: teaching, 59%; research, 12%; professional growth, 3%; community service, 11%; service to the college, 11%; and consulting outside the college, 4%. Make a pie chart showing the allocation of professional time for college professors.
Question
One answer may be found in the book The Last Cowboys by Connie Brooks (University of New Mexico Press). This delightful book presents a thoughtful sociological study of cowboys in West Texas and Southeastern New Mexico around the year 1890. A sample of 32 cowboys gave the following years of longevity:
58
52
68
86
72
66
97
89
84
91
91
92
66
68
87
86
73
61
70
75
72
73
85
84
90
57
77
76
84
93
58
47
(a) Make a stem-and-leaf display for these data. (Use the tens digit as the stem and the ones digit as the leaf. Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)Longevity of Cowboys
(b) Consider the following quote from Baron von Richthofen in his Cattle Raising on the Plains of North America: “Cowboys are to be found among the sons of the best families. The truth is probably that most were not a drunken, gambling lot, quick to draw and fire their pistols.” Does the data distribution of longevity lend credence to this quote?
Sort of, these cowboys lived somewhat long lives, as evidenced by the high frequency of leaves for stems 5 and 6 (i.e., 50- and 60-year-olds).
No, these cowboys did not live long lives, as evidenced by the high frequency of leaves for stems 4 and 5 (i.e., 40- and 50-year-olds).
Yes, these cowboys certainly lived long lives, as evidenced by the high frequency of leaves for stems 7, 8, and 9 (i.e., 70-, 80-, and 90-year-olds).
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