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  • Level: GCSE
  • Subject: Maths
  • Word count: 2349

Maths Coursework - Statistical Investigation

Extracts from this document...

Introduction

Maths Coursework - Statistical Investigation Introduction During my Statistical Coursework Investigation, I am going to investigate three hypothesis, regarding the common beliefs people have of broadsheet and tabloid newspapers. Tabloid newspapers follow a tradition of being shorter and containing less detail than the broadsheet. Broadsheets also contain more serious topics (e.g. development of AIDS in third world). The four articles I am going to analyse follow the same topic and were published on the same date, to avoid and bias, this also increases reliability of my results. I will use two broadsheet (The Times, The Guardian) and two tabloid articles (The Daily Star, The Mail), again to avoid being biased. Hypothesis 1 "Broadsheets have longer words and are more difficult to read" This is the first hypothesis I am going to investigate, I am going to take a sample of 100 words from each of the four articles I have (two broadsheet, two tabloid). I will count the first 50 and last 50 words in the articles (to avoid bias), and mark down on a tally chart each of the word's lengths. The Guardian Word Length Tally Total 1 8 2 17 3 20 4 14 5 8 6 7 7 11 8 6 9 5 10 2 11 0 12 0 13 2 Tally Tables The Times Word Length Tally Total 1 4 2 22 3 20 4 12 ...read more.

Middle

You must then transfer this onto a graph. (see graph) Standard Deviation Daily Star Word Length Tally Total 1 8 2 16 3 21 4 14 5 8 6 7 7 11 8 6 9 5 10 2 11 0 12 0 13 2 Range The Range of a set of data is the difference between the highest and the lowest value. To work this out I will first find the highest and lowest word length from each article. I will then work out the difference between them. I am going to find out the Range so that I can see if different kinds of newspapers have longer words. The Guardian Highest Word Length 13 Lowest Word Length 1 Difference 12 To work out the Range I must subtract the lowest word length from the highest word length (13-1) =12 The Times Highest Word Length 13 Lowest Word Length 1 Difference 12 I have found that the range of The Guardian is 12 To work out the Range I must subtract the lowest word length from the highest word length (13-1) =12 I have found that the range of The Times is 12 To work out the Range I must subtract the lowest word length from the highest word length (13-1) ...read more.

Conclusion

Tally Total Guardian 31 Times 33 Mirror 34 Star 31 Now that I have my results, I will complete the next stage of the procedure: Newspaper Total (t) 3t Guardian 31 93 Times 33 99 Mirror 34 102 Star 31 93 I will now find the number that is closest to my answer (see above) and then find the square root of it; I will then add 8 to find the Readability level of each of the articles. Newspaper Total (t) 3t Nearest number (n) n 8 + n Guardian 31 93 100 10 18 Times 33 99 100 10 18 Mirror 34 102 100 10 18 Star 31 93 100 10 18 Newspaper Readability Guardian 18 Times 18 Mirror 18 Star 18 I have compiled a table to show my results more clearly: Conclusion - Hypothesis 3 As you can see from my table, all of the articles that I have analysed share the same readability level of 18. This disproves the hypothesis: "Tabloids are easier to read than broadsheets". Final Conclusion During my statistical coursework, I have challenged three different hypothesis', regarding the relationship between tabloid and broadsheet newspapers. I have found each of these hypothesis' to be incorrect. I have proved that tabloids have a very similar word length and the same readability level as broadsheets. I have also proved that educated people do not always read broadsheets. ...read more.

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