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 for all participants needed are below. Use these data to answer the following question: comoute the estimated standard error of d for the data collected in toronto. Please answer to 5 decimal places. Cell Phone (CP) No Cell Phone (NCP) 113 118 116 162 120 131 110 169 125 106 89 117 126 100 143 162 130 145 108 133 113 120 133 129 120 131 65 111 104 119 139 114 121 117 106 81 120 110 92 96 117 97 145 92 97 123 70 89 102 137 107 110 121 135 130 85 128 108 119 104 144 106 94 132 119 107 144

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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 for all participants needed are below. Use these data to answer the following question: comoute the estimated standard error of d for the data collected in toronto. Please answer to 5 decimal places.

Cell Phone (CP)	No Cell Phone (NCP)
113	118
116	162
120	131
110	169
125	106
89	117
126	100
143	162
130	145
108	133
113	120
133	129
120	131
65	111
104	119
139	114
121	117
106
81	120
110	92
96	117
97	145
92	97
	123
70	89
102
137	107
110	121
135	130
85	128
108	119
104	144
106	94
	132
	119
	107
	144