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# maths data handling

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Introduction

Maths Coursework: Handling Data Pre Test: I am going to collect data from three different newspapers. I will do so by using selective sampling. I will take every tenth word until I have a pre test sample of a hundred words. This strategy will enable me to avoid a biased outcome. The newspapers I have selected are from three major categories in newspaper styles and readabilities. They, along with the newspapers, are: Popular- The Sun Quality- Daily Mail Compact- Independent. Hypothesis: My hypothesis is that there is, and hopefully will be, a clear difference in the readability and styles of the three papers. I believe that the compact papers' average word length will be longer than both the popular and quality papers' average. ...read more.

Middle

Independent: Word length (x) Frequency Fx Cumulative frequency 1 5 5 5 2 21 42 26 3 21 63 47 4 13 54 60 5 15 75 75 6 12 72 87 7 3 21 90 8 7 56 97 9 3 27 100 10 0 0 100 11 0 0 100 Total 100 415 Mean= Total of Fx � Total of Frequency Mean= 415�100 Mean=4.15 words Range= largest length of word- shortest length of word Range= 9-1 Range=8 Mode= most occurring length of word Mode= 2 and 3 Median= 3.2 (shown by cumulative frequency graph later on) The Sun: Word length (x) Frequency Fx Cumulative frequency 1 1 1 1 2 25 50 26 3 21 63 47 4 22 88 69 5 7 35 76 6 9 ...read more.

Conclusion

would have a longer average word length than both the quality and popular papers. My results shown in the table show the opposite as the quality paper (Daily Mail) has a larger word length average. I also predicted that the 'more sophisticated' paper would have a larger range, mode and median. Again I was 'proven' wrong as it shows the quality paper to have a larger range and mode than both the popular and compact papers. The Quality paper also shows a larger median than both the other papers. I think my hypothesis wasn't backed because my sample wasn't large enough. To back up my hypothesis and highlight a clear difference in my results; I will re do the 'practical' and retrieve a larger sample of words. Maybe this will enable me to get the results I need to support my hypothesis made earlier on. ...read more.

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This is a good technique to not get biased results however to completely eliminate that possibility I then used systematic sampling. This is a simple and quick method for me to chose which sentences from the article I would sample.

1. ## Data Handling

per sentence, I will select 50 sentences from 4 corresponding sections of the paper e.g. articles with similar relevance so it's representative of each newspaper. When I am collecting samples for the sentence length I will select 50 sentences from 4 corresponding sections of the paper so that my data is representative of each newspaper as well as being unbiased.

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2. ## GCSE Maths Handling Data Coursework - Comparing Newspapers

How will I choose my articles? Obviously, I can't check every article in every newspaper, there isn't enough time so I have decided to take a sample of 100 words from each article to investigate the word length (see hypothesis 1).

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