Х Cost of Electricity 109 154 145 95 112 160 187 155 151 115 185 90 210 147 172 180 118 175 150 153 146 164 126 127 113

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Х Cost of Electricity 109 154 145 95 112 160 187 155 151 115 185 90 210 147 172 180 118 175 150 153 146 164 126 127 113 95 108 131 140 136 153 154 142 181 189 199 209 168 170 144 142 125 111 140 137 80 165 172 153 165

a. Construct a histogram and a relative percentage polygon. Choose the correct histogram below. O A. B. O C. D. 12- 12 9 9 9 Frequency 6 Frequency 6 Frequency 6- Frequency 50 40- 30- 20- 10- 0- 75 115 155 195 Cost of Electricity 3 3 0 75 115 155 195 Cost of Electricity 75 115 155 195 Cost of Electricity 0- 75 115 155 195 Cost of Electricity Choose the correct relative percentage polygon below. O A. B. C. D. 100- 25- 20 25= 20- 15 10 75- Percent 15- Percent w 25- 20 15 10 53 50 Percent Percent 10 25 5 55 00年 06 75 115 155 195 Cost of Electricity 80 120 160 200 Cost of Electricity 04 75 115 155 195 Cost of Electricity 04 75 115 155 195 Cost of Electricity



c. Around what amount does the monthly electricity cost seem to be concentrated? A. The majority of utility charges are clustered between $170 and $220. B. The majority of utility charges are clustered between $110 and $180. C. The majority of utility charges are clustered between $100 and $130. D. The majority of utility charges are clustered between $150 and $220.