英文摘要 |
This study is order to research the reasons of the effect lottery sales, using sales of lottery in each period to analyze what kind of reason will affect lottery sales, to gather statistics of monthly sales, and draw up annual sales of line charts. Lotto is to take to 2007 to June 2014, these eight and a half years of statistics, but supper lotto is to take the listing (January 22, 2008) until June 2014, this seven and a half years of statistics, use all of these years the news from newspapers to make descriptive statistics, to analyze the reason why this month's sales will rise or fall, and to analyze whether the festival overweight affect sales, these year overweight sales must be better than other years? |