The fourth edition of Ding Ding Cup, Central China University Students Mathematical Modeling invitational tournament, appendix A（第四届文鼎创杯华中地区大学生数学建模邀请赛A题附录）.doc

The fourth edition of Ding Ding Cup, Central China University Students Mathematical Modeling invitational tournament, appendix A（第四届文鼎创杯华中地区大学生数学建模邀请赛A题附录） Appendix: the fourth Wen Ding Ding cup cup mathematical model Invitational Contest for central China students A appendix 2011.3.25: retail price of urban residents 2010.3.5 All data sources: /cms/frontpage/price_monitor/PriceTypeList.action, type=1 Food retail prices for urban residents (table 1:, 2010.3.5 - 2010.5.25) Commodity name Specification grade Measurement unit Average price (10-3-5) Average price (10-3-15) Average price (10-3-25) Average price (10-4-5) Average price (10-4-15) Average price (10-4-25) Average price (10-5-5) Average price (10-5-15) Average price (10-5-25) Rapeseed oil bulk Yuan /500 grams Four point eight three Four point eight three Four point eight zero Four point eight zero Four point eight zero Four point eight zero Four point eight zero Four point seven zero Four point seven zero soybean oil bulk Yuan /500 grams Four point three eight Four point three five Four point three three Four point three three Four point three three Four point three three Four point three zero Four point two five Four point two five Peanut oil First barreled Yuan /5 liter Ninety-five point six five Ninety-five point six five Ninety-five point six zero Ninety-five point six zero Ninety-five point six zero Ninety-five point six zero Ninety-five point six five Ninety-five point six five Ninety-five point six five Soy blend oil First barreled Yuan /5 liter Fifty point three eight Fifty point six three Fifty point four eight Fifty point four eight Fifty Fifty point four eight Fifty point four three Forty-nine point seven three Forty-nine point two three Fresh pork lean meat Yuan /500 grams Ten point nine three Ten point six zero Ten point three five Ten point three five Ten point three five Eleven point two three Ten point eight five Ten point eight eight Ten point nine nine Fresh pork Rib meat Yuan /500 grams Eigh