HND大三商务统计学第二次.doc

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1、Question1(i)(ii)From the chart in the front, and compare with the afternoon groups data, we can know that:(1)The morning groups mean score is 77.12, the afternoon groups mean score is 72.45. This means that the morning groups whole score situation is better than the afternoon group, it seems that th

2、e morning group has higher level than afternoon group.(2)The morning groups standard deviation is 7.36, the afternoon groups standard deviation is 7.37. This situation means that the morning groups whole difference is smaller than the afternoon group.Question2From the chart, we can see the differenc

3、e between the two groups:The strongly disagree rate in the group of students up to 30 is 25%, in the group of students order than 30 is 16%. The disagree rate in the group of students up to 30 is 24%, in the group of students order than 30 is 21%. The no opinion situation rate in the group of studen

4、ts up to 30 is 15%, in the group of students order than 30 is 15%. The agree situation rate in the group of students up to 30 is 23%, in the group of students order than 30 is 29%. The strongly agree rate in the group of students up to 30 is 13%, in the group of students order than 30 is 19%.Observe

5、 this chart we will find house price in the UK increase faster than the RPI increase speed. This means the persons live level is decrease than before. But from the compare with RPIX with change of base to July and RVI, we will find the RPIX with change of base to July is increase slower than the RVI. So we can know that the persons life level is increased. Compare with RPIX and the house price we will find the rate of house price contrast the RPIX is increase. So the whole situation is the persons life level is increased.

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