4. The following data shows the cost of electricity for a random sample of 50 one-bedroom a in a large city: 96 171 202 178 147 102 153 197 127 82 157 185 90 116 172 111 148 213 130 165 141 149 206 175 123 128 144 168 109 167 95 163 150 154 130 143 187 166 139 149 108 119 183 151 114 135 191 137 129 158 (a) Construct a histogram and a percentage polygon. (b) Construct a cumulative percentage polygon. (c) Around what amount does the monthly electricity cost seem to be concentrated.

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4. The following data shows the cost of electricity for a random sample of 50 one-bedroom ap
in a large city:
96 171 202 178 147 102 153 197 127 82
157 185 90 116 172 111 148 213 130 165
141 149 206 175 123 128 144 168 109 167
95 163 150 154 130 143 187 166 139 149
108 119 183 151 114 135 191 137 129 158
(a) Construct a histogram and a percentage polygon.
(b) Construct a cumulative percentage polygon.
(c) Around what amount does the monthly electricity cost seem to be concentrated.
Transcribed Image Text:4. The following data shows the cost of electricity for a random sample of 50 one-bedroom ap in a large city: 96 171 202 178 147 102 153 197 127 82 157 185 90 116 172 111 148 213 130 165 141 149 206 175 123 128 144 168 109 167 95 163 150 154 130 143 187 166 139 149 108 119 183 151 114 135 191 137 129 158 (a) Construct a histogram and a percentage polygon. (b) Construct a cumulative percentage polygon. (c) Around what amount does the monthly electricity cost seem to be concentrated.
4. The following data shows the cost of electricity for a random sample of 50 one-bedroom ap
in a large city:
96 171 202 178 147 102 153 197 127 82
157 185 90 116 172 111 148 213 130 165
141 149 206 175 123 128 144 168 109 167
95 163 150 154 130 143 187 166 139 149
108 119 183 151 114 135 191 137 129 158
(a) Construct a histogram and a percentage polygon.
(b) Construct a cumulative percentage polygon.
(c) Around what amount does the monthly electricity cost seem to be concentrated.
Transcribed Image Text:4. The following data shows the cost of electricity for a random sample of 50 one-bedroom ap in a large city: 96 171 202 178 147 102 153 197 127 82 157 185 90 116 172 111 148 213 130 165 141 149 206 175 123 128 144 168 109 167 95 163 150 154 130 143 187 166 139 149 108 119 183 151 114 135 191 137 129 158 (a) Construct a histogram and a percentage polygon. (b) Construct a cumulative percentage polygon. (c) Around what amount does the monthly electricity cost seem to be concentrated.
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