3- The following numbers are readings of blood sugar obtained from 30 patients attending the diabetes clinic, Sohag University Hospital, May 2017. Tabulate these data.

185

135

155

140

155

155

150

130

170

160

140

170

170

190

120

125

160

140

125

165

140

190

150

170

220

150

175

160

160

160