课程名称︰王衍智
课程性质︰必修
课程教师︰统计学一下
开课学院:管理学院
开课系所︰财务金融学系
考试日期(年月日)︰
考试时限(分钟):10 / 10 / 10
是否需发放奖励金:是
(如未明确表示,则不予发放)
试题 :
Quiz 1
1. Following counts are shipments for 80 days in a small front. Please test if
   the shipment per day follows Passion distribution.
# of shipment   True occurrences        Theoretical occurrences
     0               45
     1               23
     2               12
    >2                0
2. Please test the independence (upon a Chi-square test) of gender and
   education from survey.
Gender   \  Education   Junior school   Senior high   College   Total
       Male                 25              30           25       80
       Female               35              15           20       70
       Total                60              45           45      150
3. We want to know if a set of data following a normal distribution, and we
   carry out Chi-square test on that. The data are grouped into 12 groups. By
   chi-square test, X^2=17. Please verify if this series follows a normal at
   (one-tail) 5% significance level.
卡方表: