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• Level: GCSE
• Subject: Maths
• Word count: 1249

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Introduction

Middle

These can be seen on the graph paper. This graph shows some important details. It shows the upper and lower quartiles, and the interquartile range. It also shows me the median, which is one of the three averages I will be finding in order to compare my data. Type Of Newspaper Upper Quartile Lower Quartile Interquartile Range Median Tabloid 25 11 14 17 Broadsheet 28 13 15 20 As you can see from these results that the spread of the broadsheet is bigger and that the median is higher, but this gap is very small and the results are very similar But to say that these results are relevant is wrong especially as the results have no link, so I will standardize the interquartile range to get rid of this problem. I will get the Standardized interquartile range by using this formula Interquartile Range Median Standardized Interquartile Range (to 2 D.P.) Tabloid 14 17 0.82 Broadsheet 15 20 0.75 I am also going to draw box plots to make this information easier to analyze. After seeing these I have realized that so far it seems that the broadsheet has a higher median and a larger spread of data, but with the data being very similar I am starting to believe that the hypothesis may not be as accurate as I thought. ...read more.

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