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<br /> <br />MUNICIPAL RESIDENTIAL WATER CONSUMPTION <br />All of the following communities get their water from one source, For many reasons, however, the homes in <br />each community use different amounts of water, The data below shows these differences, <br /> MUNICIPAL RESIDENTIAL WATER CONSUMPTION DATA <br /> July, 1968 - June, 1973 <br />CITY MEAN GALLONS I RESIDENTIAL ACCOUNT I DAY <br /> 68-69 69-70 70-71 71-72 72-73 July, 1968-June, 1973 <br />Alameda 366 405 398 422 412 401 <br />Albany 233 262 247 255 242 248 <br />Berkeley 326 354 345 355 333 343 <br />EICerrito 307 330 317 330 305 318 <br />Emeryville 256 270 273 293 346 288 <br />Oakland 306 334 325 338 330 326 <br />Piedmont 438 512 476 502 453 476 <br />Pinole-Hercules 354 449 408 425 401 407 <br />Richmond 291 316 307 318 311 309 <br />San Leandro 359 399 373 391 377 380 <br />San Pablo :321 346 337 345 351 340 <br />Walnut Creek 738 873 815 869 865 832 <br />TOTAL MEAN 358 404 385 403 394 458 <br />TOTAL MEDIAN 486 568 531 562 554 540 <br />TOTAL RANGE 505 611 568 614 623 584 <br />Plot the residential water consumption for Oakland and Walnut Creek on the graph below, <br />900 Why do you think there is such a difference <br /> between the two? (Note: can the data on <br />800 p, 8 help you?) <br />700 <br />600 <br />500 Now plot out the data for another community, <br /> Do the results look more like that 01 Oakland <br /> or Walnut Creek? Why do you think this is so? <br />400 <br />300 <br />200 <br />1969 1970 1971 1972 1973 <br /> YEAR ENDING JUNE 30 0251 <br /> <br />2' <br />