How long did real cowboys live? One answer may be found in the book The Last Cco

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How long did real cowboys live? One answer may be found in the book The Last Ccowboys by Connie Brooks (University of New Mexico Press). This delightful book presents a thoughtful sociological study of cowboys in West Texas and year 1890. A sample of 32 cowboys gave the following years of longevity Southeastern New Mexico around the 58 52 68 86 72 66 97 89 84 91 91 92 66 68 87 86 73 61 70 7572 73 85 84 90 57 77 76 84 93 58 47 (a) Make a stem-and-leaf dlsplay for these data. (Use the tens digit as the stem and the ones digit as the leaf.,) Longevity of Cowboys (b) Consider the following quote from Baron von Richth be found among the sons of the best familties. 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? O Yes, these cowboys certainly lived long lives, as evidenced by the high frequency of leaves for stems 7, 8, and d 9 (ie., 70- 80-, and 90-year-olds). No, these cowboys did not tive long ives, as evidenced by the high frequency of leaves for stems 4 year-oids) O Sort of, these cowboys lived somewhat long ives, as evidenced by the hioh frequency of leaves for stems s and s i.e, so and 60-year-olds) Submit Answer : Save Progress

Explanation / Answer

(a) Stem-and-Leaf Display: Longevity of cowboys

Stem-and-leaf of Longevity of cowboys N = 32
Leaf Unit = 1.0

1   4 7
2   5 2
5   5 788
6   6 1
10 6 6688
15 7 02233
(3) 7 567
14 8 444
11 8 56679
6   9 01123
1   9 7

(b) Yes, these cowboys certainly lived long lives, as evidenced by high frequency of leaves for stems 7,8,9(i.e., 70,80, and 90-year-olds).

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