Page 140 - qrps

Quantitative Reasoning & Problem Solving
140 © 2014 Pacific Crest
Step Watch it Work!
5. Is it a well-known
distribution?
variable
probability
poisson
cumulative
uniform
normal
It doesn’t appear to match any of the common distribution graphs.
6. Validate Another branch is observed and reveals similar data with a similar
distribution.
YOURTURN!
Scenario:What is the distribution of blood pressure readings (systolic) in a random
population of Americans between the ages of 20 and 25?
Data gathered from a random sample of 100 Americans between
the ages of 20 and 25. Number represents the systolic reading.
98 131 128 126 128 117 115 92 95 120
141 124 152 116 85 131 109 112 109 128
127 126 115 107 145 122 143 140 144 126
112 129 124 134 150 104 128 121 117 100
107 65 96 82 97 145 136 108 119 149
111 126 114 141 125 119 118 92 133 123
116 139 116 85 109 132 125 98 121 113
104 136 119 126 119 138 124 159 130 111
87 137 108 131 159 109 109 91 125 130
130 102 113 141 114 102 133 125 97 98