Given information
Researchers interviewed street prostitutes in Canada and the United States. The mean age of the 
Canadian prostitutes upon entering prostitution was 
with a standard deviation of six. The mean age of the 
United States prostitutes upon entering prostitution was 
with a standard deviation of eight. Is the mean age of entering prostitution in Canada lower than the mean age in the United States?
Step-by-step explanation
The test is as follows:
means, standard deviations of the population are unknown in this independent sample.
Random variable:
Distribution:
In Canada, the average age of entry into prostitution is lower than in the United States.
Graph left tailed 
Decision: do not reject 
.
Conclusion: At the 
level of significance, there is insufficient evidence from the sample data to conclude that the average age of entry into prostitution in Canada is lower than the average age in the United States.
Unlock all Textbook Solutions
Introductory Statistics
Solutions
Chapter
Section
- Problem 78
- Problem 79
- Problem 80
- Problem 81
- Problem 82
- Problem 83
- Problem 84
- Problem 85
- Problem 86
- Problem 87
- Problem 88
- Problem 89
- Problem 90
- Problem 91
- Problem 92
- Problem 93
- Problem 94
- Problem 95
- Problem 96
- Problem 97
- Problem 98
- Problem 99
- Problem 100
- Problem 101
- Problem 102
- Problem 103
- Problem 104
- Problem 105
- Problem 106
- Problem 107
- Problem 108
- Problem 109
- Problem 110
- Problem 111
- Problem 112
- Problem 113
- Problem 114
- Problem 115
- Problem 116
- Problem 117
- Problem 118
- Problem 119
- Problem 120
- Problem 121
- Problem 122
- Problem 123