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Data Handling


             To get my data and graphs I am going to sort and filter data from the key Stage 4 information. I am going to sort firstly by Hair Colour in ascending order, then by 1q in ascending order. I will then random sample 30 from each and put these into Categories in a tally table, which I can then turn into 3 graphs:.
             A Comparison between the Blonde and brunette females in each of the IQ categories.
             Cumulative Frequency of Brunette Females IQ,.
             Cumulative Frequency of Blonde Females IQ.
             [See following sheets].
             From sorting and filtering out my necessary data, and drawing up my Graphs I am now going to put this information into Box and Whisker Diagrams [ with graphs for this section ] also finding the average, mean, and mode information. After I have done this I am then going to analyse my findings.
             Blonde Females IQ.
             Median =92.
             Lower Quartile =87.
             Upper Quartile =95.
             Brunette Females IQ.
             Median =88.
             Lower Quartile =85.
             Upper Quartile =90.
             The average IQ for:.
             Blonde Females is:2679 30 = 89.3.
             Brunette Females is: 2556 30 = 85.3.
             The Mode IQ for: .
             Blonde Females is:91 (5).
             Brunette Females is: 90 (8).
             From looking at all of the graphs and diagrams that I have drawn I have come to the conclusion that there is no real significant change in IQ Levels .
             between Blonde and Brunette Females from Key Stage 4 in the Mayfield High School. This is because all of the data really evens itself out.
             The differences between the Blonde and Brunette Females IQ Levels only really showed that there were 2 more Brunettes that had between 96 - 100 IQ's than the Blondes. This is not really strong evidence to base the statement of fact that Brunettes are more intelligent as they have higher IQ's than the Blondes.
             The Box and Whisker Diagram for the Blonde Females IQ has a larger Lower Quartile, a smaller Median area, and a larger Upper Quartile than the Brunette Females IQ.
             The spacing of the sections in these diagrams shows to me that due to the Blonde Females having a smaller Lower Quartile IQ space there are less people in this section than in the Brunette Females section.


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