Comparing IQ at school.

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Statistics

Hypothesis: I think, that the girls science results are better than the boys science results compared with their IQ, because girls are more intelligent in science than boys in year 11.

BOYS

GIRLS

        

        

I get these information about the students in Mayfield High School from the grid which shows the whole year 11 students. Altogether there are 84 boys and 86 girls which gives a total of 170 students.

I chose the numbers of boys and girls randomly by throwing two dices at the same time. For example at the boys table, the first number which is 1019.  I threw the two dices and one dice showed 6 and the other showed 3. I add them up and the answer was 9.  On the table of all the year 11 students (boys and girls) the number which starts 9 at the ending was the randomly chosen number.  I chose them all in the same way and the girls

too (up to 30 boys and 30 girls) randomly. Then I write down their science results in one column and their IQ in another column.

First I will calculate the find the frequency for the boys and girls of their science results. To have the results detailed and clear. I will draw a whisker box diagram, scatter graphs and other statistical diagrams to support my frequency results in the table below. After this I will do the same thing with the IQ data. For example to find out the frequency of out the frequency of boys and girls results of their IQ and draw statistical diagrams to support it in order to make clear and detailed. Finally I will compare them both.

BOYS

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GIRLS

BOYS

GIRLS

Summary of statistically calculated information

There are two types of summary measures used in the above tables.  The first, average or mean measures the ‘location’ of the ...

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