compute the p-values associated with tobs, assuming h1: μcp - μncp < 0 for the data collected in vancouver. Please answer to 5 decimal places.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A recent study investigated whether cell phone users experience separation anxiety when they cannot access their phones. Because blood pressure increases with anxiety, the researchers used systolic blood pressure as an operational measure of anxiety. The experiment involved a random sample of cell phone users that were divided into two groups at random. One group of participants completed a survey while their phones were locked in a cabinet in a separate room and the other group of participants completed the same survey while their phones were nearby. (The survey questions were unrelated to cell phone use.) At the end of the survey, the researchers measured each participant's systolic blood pressure. The same experiment was conducted in Montreal, Toronto, Vancouver, and St. Zotique. The blood pressure data needed is below. Use these data to answer the following question: compute the p-values associated with tobs, assuming h1: μcp - μncp < 0 for the data collected in vancouver. Please answer to 5 decimal places.

Cell Phone (CP) No Cell Phone (NCP)
113 136
141 118
113 127
94 113
118 117
115 133
88 145
115 108
103 134
70 114
127 111
79 121
90 114
91 85
108 116
107 123
   
68 135
157 119
112 139
131 110
110  
123 137
110 141
140  
109 105
113 138
  131
77 117
97 149
101 113
  127
129 126
133 125
  140
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