Answer Happy

Problem #2 (22 pts). For the given data, construct a frequency distribution table using five classes. Find the class midpoints, relative frequency, cumulative frequency and class boundaries. Data set: systolic blood pressures of 45 randomly selected patients at a blood bank 135 120 115 132 136 124 119 145 98 110 125 120 115 130 140 105 116 121 125 108 116 131 135 123 118 144 97 112 124 122 114 129 139 104 115 120 116 135 123 118 98 112 124 129 139

Problem # 3 (22 pts). Using the frequency distribution table from Problem # 2, construct i) a histogram, ii) frequency polygon and iii) an ogive. Describe the shape of the histogram as a) symmetric b) uniform c) skewed left d) skewed right e) none of these