computing means from a frequency table

timer Asked: May 2nd, 2015

Question Description

display below is a frequency distribution containing s summary of  the resting systolic blood pressure for a sample of 30 people with heart disease. compute group means.

blood pressure     # of patients

115-124                      4

125-134                       5

135-144                       5

145-154                       7

155-164                        5

165-174                        4

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