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• Level: GCSE
• Subject: Maths
• Word count: 3527

The hypotheses are: 1. Broadsheet newspapers have longer words than tabloids.2. Broadsheet newspapers have longer sentences than tabloids.3. Tabloids have more pictures than Broadsheets.

Extracts from this document...

Introduction

Middle

X= number of letters f= frequency fx= frequency x number of letters fx2= frequency x number of letters (squared). I will now work out the mean number of words. Mean= ?fx = 4.75 = 4.75 letters per word ?f 100 I will now work out the standard deviation. Standard Deviation= ?fx2 - ?fx 2 = 3015 - 475 2 ?f ?f 100 100 3015 - 475 2 = = = 2.75 100 100 30.15 - 22.5625 7.5875 The following cumulative frequency step polygon graph on GRAPH PAPER TWO will enable me to work out the median and inter-quartile range. I will now compare the means and the standard deviations to see if my results are conclusive. Mean for tabloid= 4.75 Standard Deviation fro B'sheet= 2.57 Mean for Broadsheet= 4.91 Standard Deviation for Tabloid= 2.75 The means are not 1 standard deviation away from each other therefore make my results inconclusive. This is a frequency bar graph to compare the number of letters in a word in both tabloid and broadsheet newspapers. This bar graph shows the frequency of the number of letters in both types of newspapers. The graph shows that most of the results are very similar. This shows that the number of letters only changes slightly, therefore makes the possibility of hypothesis 1 unlikely to being true. Hypothesis 2 Broadsheet x Number of Words Frequency 1-5 IIIII III 8 6-10 IIIII IIII 9 11-15 IIIII IIIII IIIII II 17 16-20 IIIII IIII 9 21-25 IIIII IIIII IIIII IIIII IIII 24 26-30 IIIII IIIII IIIII III 18 31-35 IIIII II 7 36-40 IIIII 5 41-45 II 2 46-50 I 1 I will now draw up a chart to help me work out the mean and standard deviation. It will also contain the cumulative frequency so I can record the data on a cumulative frequency graph. No. of Words Broadsheet x F mid Fx fx2 Cumulative 1 to 5 8 3 24 72 8 6 to 10 9 8 72 576 17 11 to ...read more.

Conclusion

I believe that the most reliable indicator for intelligence is hypothesis 2, followed by hypothesis 1 then hypothesis 3. I think this because the longer the sentence is, the more complicated it is to read. Pictures also give an indicator of intelligence because the more pictures there are, the less there is to read. However word length isn't a good indicator at this scale of research because most of the words will be around four or five and there aren't many chances for longer words to be counted. However, although the number of words is seen as better indictor of intelligence, it is also linked to the number of letters. I can tell this because the sets of results both come out as being inconclusive. Through my study I have collected only a small mount of data compared to what's in the whole newspaper. Given this, the evidence I got isn't really enough to prove the hypothesises. They could all be improved by getting more results. This would be done by counting more letters and words, and measuring more pictures. This would give the results more reliability and may even prove the hypothesises. Also the methods I used could have been improved in some ways. The first ways is the time spent counting the number of letters and numbers . Also if I had counted and measured more data to make the test fairer and more reliable, it would have taken even longer. Even more hours would be spent collecting data. To improve the test I believe that I should not have included hypothesis 1. I feel that that study was a waste and time should have been spend on improving the other 2 hypothesise. Because the results are so sparse do to lack of collection, I think that my results aren't that convincing. If I had collected more data I believe that the results would have been more reliable and more convincing than what they are now. ?? ?? ?? ?? 1 ...read more.

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