Homework SourseUsing the above data find a The average mean sales per week
Using the above data find
a. The average (mean) sales per week exceeds 41.5 per salesperson.
| SALES | CALLS | TIME | YEARS | TYPE |
| 46 | 171 | 12.7 | 5 | ONLINE |
| 34 | 134 | 17.0 | 4 | NONE |
| 44 | 165 | 15.7 | 3 | ONLINE |
| 45 | 186 | 13.0 | 3 | ONLINE |
| 42 | 180 | 14.8 | 2 | ONLINE |
| 47 | 184 | 12.4 | 2 | ONLINE |
| 33 | 126 | 20.2 | 3 | NONE |
| 44 | 172 | 14.4 | 3 | GROUP |
| 42 | 161 | 13.9 | 1 | GROUP |
| 37 | 149 | 15.4 | 3 | NONE |
| 46 | 181 | 12.2 | 4 | ONLINE |
| 40 | 145 | 16.0 | 0 | NONE |
| 43 | 140 | 17.0 | 2 | GROUP |
| 52 | 198 | 13.5 | 2 | ONLINE |
| 41 | 149 | 17.3 | 0 | ONLINE |
| 42 | 168 | 12.9 | 3 | ONLINE |
| 32 | 124 | 17.5 | 2 | NONE |
| 42 | 149 | 16.5 | 1 | GROUP |
| 38 | 135 | 18.2 | 1 | GROUP |
| 49 | 185 | 18.6 | 2 | ONLINE |
| 39 | 154 | 18.3 | 1 | NONE |
| 43 | 149 | 15.6 | 1 | ONLINE |
| 50 | 193 | 13.2 | 1 | ONLINE |
| 37 | 153 | 18.7 | 0 | NONE |
| 39 | 152 | 15.0 | 3 | GROUP |
| 43 | 170 | 14.7 | 4 | GROUP |
| 44 | 192 | 14.6 | 1 | GROUP |
| 45 | 165 | 16.4 | 3 | ONLINE |
| 40 | 150 | 15.3 | 3 | GROUP |
| 43 | 174 | 15.6 | 2 | ONLINE |
| 42 | 168 | 15.0 | 0 | ONLINE |
| 48 | 178 | 15.1 | 3 | ONLINE |
| 44 | 164 | 16.5 | 3 | GROUP |
| 51 | 191 | 11.8 | 2 | ONLINE |
| 37 | 139 | 14.4 | 0 | NONE |
| 37 | 138 | 17.7 | 1 | NONE |
| 46 | 171 | 15.9 | 5 | ONLINE |
| 44 | 170 | 11.2 | 0 | ONLINE |
| 41 | 153 | 18.0 | 3 | GROUP |
| 42 | 154 | 15.1 | 2 | GROUP |
| 40 | 144 | 14.0 | 3 | NONE |
| 37 | 134 | 16.9 | 2 | NONE |
| 47 | 177 | 17.2 | 0 | ONLINE |
| 39 | 157 | 14.5 | 4 | NONE |
| 40 | 134 | 20.2 | 3 | GROUP |
| 37 | 131 | 18.3 | 1 | GROUP |
| 35 | 129 | 18.4 | 4 | NONE |
| 44 | 183 | 15.1 | 4 | ONLINE |
| 43 | 169 | 14.0 | 5 | GROUP |
| 42 | 155 | 16.0 | 2 | ONLINE |
| 48 | 182 | 12.8 | 2 | ONLINE |
| 37 | 143 | 12.0 | 1 | NONE |
| 41 | 157 | 13.5 | 1 | ONLINE |
| 43 | 167 | 14.8 | 3 | ONLINE |
| 40 | 142 | 15.8 | 2 | NONE |
| 42 | 168 | 12.1 | 2 | GROUP |
| 43 | 175 | 14.8 | 2 | GROUP |
| 39 | 150 | 18.0 | 2 | GROUP |
| 41 | 155 | 17.9 | 1 | GROUP |
| 46 | 163 | 16.6 | 2 | ONLINE |
| 40 | 162 | 13.6 | 4 | GROUP |
| 44 | 189 | 14.1 | 3 | ONLINE |
| 44 | 153 | 20.9 | 2 | ONLINE |
| 41 | 158 | 13.4 | 3 | ONLINE |
| 43 | 160 | 11.2 | 4 | ONLINE |
| 46 | 173 | 12.1 | 1 | ONLINE |
| 43 | 178 | 18.3 | 2 | GROUP |
| 47 | 189 | 13.1 | 1 | ONLINE |
| 49 | 184 | 11.4 | 4 | ONLINE |
| 45 | 174 | 14.0 | 2 | ONLINE |
| 48 | 188 | 14.6 | 0 | ONLINE |
| 37 | 149 | 15.8 | 1 | GROUP |
| 40 | 159 | 14.6 | 2 | GROUP |
| 44 | 160 | 14.8 | 2 | ONLINE |
| 41 | 166 | 17.4 | 1 | GROUP |
| 52 | 178 | 14.9 | 1 | ONLINE |
| 49 | 178 | 12.0 | 2 | ONLINE |
| 48 | 176 | 13.3 | 1 | ONLINE |
| 39 | 143 | 15.5 | 2 | NONE |
| 41 | 159 | 18.8 | 2 | ONLINE |
| 38 | 149 | 14.7 | 2 | NONE |
| 40 | 151 | 16.6 | 2 | GROUP |
| 48 | 186 | 13.1 | 1 | ONLINE |
| 47 | 194 | 13.1 | 2 | ONLINE |
| 38 | 152 | 14.2 | 4 | GROUP |
| 38 | 146 | 19.7 | 2 | NONE |
| 45 | 188 | 10.0 | 2 | ONLINE |
| 39 | 139 | 19.3 | 3 | GROUP |
| 49 | 201 | 12.5 | 1 | ONLINE |
| 41 | 156 | 11.8 | 3 | GROUP |
| 36 | 132 | 19.5 | 2 | NONE |
| 42 | 161 | 16.3 | 3 | ONLINE |
| 41 | 152 | 14.6 | 1 | ONLINE |
| 45 | 178 | 16.4 | 2 | ONLINE |
| 38 | 157 | 16.4 | 3 | GROUP |
| 41 | 154 | 14.3 | 1 | GROUP |
| 44 | 156 | 21.6 | 0 | ONLINE |
| 44 | 170 | 12.5 | 1 | ONLINE |
| 44 | 170 | 15.8 | 0 | ONLINE |
| 37 | 146 | 17.7 | 3 | NONE |
Solution
a) The average (mean) sales per week exceeds 41.5 per salesperson.
= 61/100 = 0.61
b)
c)
d) The average (mean) time per call is greater than 15 minutes.=50/100 = 0.50
The prob is calculated calculating actual favourable outcomes from the given data.
| The true population proportion of salespeople that received online training is less than |
| 55%.= 50/100 = 0.50 |
