Use the data below to construct a stem and leaf display on your own paper. Determine if the determination form the book, Last Co
wboys by Connie Brooks (University of New Mexico Press), cowboys were by and large from good families and not necessarily young to die. They were not mostly drunkards, gun gunslingers, or thieves as portrayed in the movies. Does your stem and leaf display of the data support that finding? (answer yes or no). Cowboys: Longevity How long did real cowboys live? One answer may be found in the book The Last Cowboys by Connie Brooks (Univeristy of New Mexico Press). This delightgul book represents 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:
Given that 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
The stem and leaf display for the data is given as follows: 4 | 7 5 | 2, 7, 8, 8 6 | 1, 6, 6, 8, 8 7 | 0, 2, 2, 3, 3, 5, 6, 7 8 | 4, 4, 4, 5, 6, 6, 7, 9 9 | 0, 1, 1, 2, 3, 7
A null hypothesis is a hypothesis where a researcher generally try to disprove, it says that there is no statistically significant relationship between the two variables .
An alternative hypothesis says that there is a statistical significance between two variables.
Claim 1. : Mean age of online dating service users is 40 years.
i.e. , since it has equals sign so we take this as null hypothesis.
Claim 2. : Mean age of online dating service users is not 40 years.