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  • Level: GCSE
  • Subject: ICT
  • Word count: 1863

Do Older Children at South Dartmoor Community College Get More Pocket Money than younger children do?

Extracts from this document...

Introduction

Do Older Children at South Dartmoor Community College Get More Pocket Money than younger children do? Aim: To discover whether younger children at south Dartmoor community college get less pocket money than older children. Task: I am going to ask a selection of boys and girls in each year group how much pocket money they get. Asking in the year group bands will enable me to group the data easily as year groups correspond to ages. Asking for some ones year group when you survey them is also easier and quicker than asking for their date of birth. To ask a variety of people I will ask a variety of people I will ask form groups until I have asked the correct number of people from each year. Asking in forms is fair because at South Dartmoor form groups are mixed year and the people in them come from different places. The sample method I am going to use is Convenient Sampling in a Stratified Strata. My strata's are year groups 7,8,9,10 and 11 and it is convenient sampling because I am asking form groups that i will be able to visit and I will not have to go out in search of. Predictions: I am going to make the following predictions about what I will find from my research; * The older you are the more pocket money you get * Boys ...read more.

Middle

(41.50 + 56 + 70 + 76.50 + 76.50) 60 = �5.34 (to the nearest whole penny) I am going to draw a Cumulative frequency graph to show the data for the whole school. From the graph I will be able to work out the interquartile range and find the middle value. To do this graph I need to group all my data I have done this in the table below. Group Tally Total Cumulative Frequency 0?x<2 Illll 5 5 2?x<4 Illlllllllllllll 16 21 4?x<6 Illllllllllllllllll 20 41 6?x<8 Illll 5 46 8?x<10 Illll 5 51 10?x<12 Illll 5 56 12?x<14 Ill 3 59 14?x<16 I 1 60 From the table I can see that the modal group is 4?x<6 this shows that one of the averages lies between those values. Look at Cumulative Frequency Graph. From my graph you can see that the mid point or mid value is �4.70. This corresponds with the modal group of 4?x<6 as �4.70 lies in that group. The interquartile range can also be worked out. To do this I must do the following sum. �7.40 - �3.30 = �4.10 This shows the range or spread that the majority of the amounts received lie in. I have found lots of averages but I think the mean gives the best indication of an average as it takes in to consideration all the values. ...read more.

Conclusion

�5.00 �5.00 �5.00 �5.00 �15.00 Year 9 Modal value = �4 and �5 and �10 �0.00 �2.00 �2.50 �3.75 �4.00 �4.00 �5.00 Median �5.00 �5.50 �8.75 �9.50 �10.00 �10.00 Year 10 Modal value = �5 �3.00 �4.00 �5.00 �5.00 �5.00 �6.00 Median �8.00 �8.50 �10.00 �10.00 �12.00 Year 11 There are 2 middle values. When this happens the 2 values are added and then divided by 2. Because the 2 values are the same the median is �7.50. Modal value = �7.50 �2.50 �3.00 �5.00 �7.50 �7.50 Median �7.50 Median �9.00 �10.00 �12.00 �12.50 I have now showed that the higher year groups on average are receive more pocket money per week than a lower year group on average. I say that because they are not outliers as such but there are some small exceptions in some of the years. Conclusions: * The higher years get more pocket money than the lower years. * Boys and girls are treated equally when it comes to pocket money * Once you reach year 9 you receive higher than the average amount of pocket money received by a student * I predicted the amount received by a year 7 would be about �3 this prediction was correct * I predicted that by year 11 a student would be receiving �10 this is incorrect as the average for a year 11 is only �7.50 ?? ?? ?? ?? ...read more.

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