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# GCSE: Miscellaneous

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1. ## GCSE Maths questions

• Develop your confidence and skills in GCSE Maths using our free interactive questions with teacher feedback to guide you at every stage.
• Level: GCSE
• Questions: 75
2. ## Statistics Coursework. I am going to study the wealth of countries in the world (GDP) and what affects this. Hypothesis 1: Countries with a higher Index of Economic Freedom have a higher GDP per capita.

There is an "Index of Economic Freedom", a measure of economic freedom of different countries that was created by the Wall Street Journal. I will use the most recent data from 2008. GDP per Capita can measure how wealthy the people of a country are on average: It is the money that a country makes divided by the population. I will use the data from the World Bank and the International Monetary Fund, because their data is reliable. First I will obtain a sample of 50 countries, by using stratified sampling by which continent they are from.

• Word count: 1174
3. ## The relationship between level of parental education and SAT scores

= The SAT test takers' SAT scores and the highest level of parental education are independent. = The SAT test takers' SAT scores and the highest level of parental education are dependent. Data Collection When students take their SAT's, one of the requirements is to fill out the survey or questionnaires for statistical references. These reports present data for high school graduates in the year of 2006, 2007, 2008, 2009 and 2010 who participated in the SAT Program. Students are counted only once, no matter how often they tested, and only their latest scores and most recent SAT Questionnaire responses are summarized.

• Word count: 1385
4. ## For our GCSE statistics coursework, we were given the question Where are houses most expensive? To answer this question I have posed the hypothesis House Prices for 3 bedroom detached houses in the North of England are cheaper than those in the s

* From the data I have collected I will produce a histogram to determine the shape of the distribution which is important as this will then show me the best measure of average that needs to be used. If the histogram shows a normal distribution then I will use the mean as well as the standard deviation and if it is a skewed distribution then I will use the Inter Quartile Range (IQR) and the median. * Then I will make a box and whisker plot I will do this as this is a clearer indication if there is there

• Word count: 1710
5. ## The investigative task. Do housewives or working adults have a faster working pulse rate?

My hypothesis is that working adults would have a higher pulse rate because; working adults get up earlier going to work and always around doing something. However if you look at housewives they don't take a step out of the house, they are probably doing some cleaning, cooking etc... that's what they are doing constantly. But working adults are not doing it constantly but faster possibly. However there are advantages and disadvantages from each category. For example the advantages for the category working adults are * They are working faster then housewives they have a time limit to do there

• Word count: 1493
6. ## The aim of the project is to investigate the correlation between multiple sets of data, the source of which is 2 data sets, 1 from New Zealand and 1 From Great Britain.

Despite this, the graph suggests that travel by bike is most common among the mid-ages; travel by bus shows a slightly older trend, along with motorcar, walking, and "other". I then rearranged the graph into a format that would ignore age; therefore directly comparing travel methods and also showing information about how gender affects method of travel. Due to the disproportion in the data, it can be assumed that travel by bike and train are both more commonly used by males.

• Word count: 1866
7. ## Data Handeling

Fiesta 95-99 7695 10 755 10000 23 Honda Prelude 17320 10 1810 6000 27 Citroen AX 7230 10 1080 12000 31 Skoda Fabia 7950 5 3585 20000 37 Renault Clio 8800 7 2210 18000 48 Peugeot 106 9560 10 1270 41000 55 Mazda MX-3 17170 10 2720 34000 58 Ford Focus 12740 7 4290 10000 66 Citroen C2 11212 2 7665 35000 67 Seat Ibiza 2003 9030 2 6315 7200 74 Chrysler Neon 10995 5 3080 40500 85 Audi A3 96-03 14650 9 4250 50000 94 Seat Cordoba 9995 7 1570 38000 96 Vauxhall Corsa 10135 4 5340 63000 103

• Word count: 1673
8. ## Maths Coursework

I also found out by doing this that Virgin is generally more expensive than HMV and Woolworths. Pilot Survey Information gathered on the prices of albums. Price Survey (pilot) How Much do/did you charge for these Album's on release? HMV Virgin Woolworths Red Hot Chili Peppers N/A Red Hot Chili Peppers �7.99 Red Hot Chili Peppers N/A Freakey Styley �9.99 Freakey Styley �10.99 Freakey Styley �9.99 Uplift m**o Party Plan �10.99 Uplift m**o Party Plan �10.99 Uplift m**o Party Plan �10.99 Mothers Milk �10.99 Mothers Milk �10.99 Mothers Milk �10.99 Blood Sugar s*x Magik �11.99 Blood Sugar s*x Magik �12.99

• Word count: 1327
9. ## Statistics Project

I will take a new random sample, taking 20 random constituencies from each of Labour and Conservative using the method described before and plotting each of these onto a separate box and whisker plot. I can then use these two box and whisker plots to compare them and make a judgment as to whether it seems Labour or Conservative constituencies are more likely to have high levels of unemployment. Hypothesis I believed at first that in my initial investigation, the higher the level of unemployment was then the higher the turnout would be because they would have the incentive to

• Word count: 1367
10. ## Emma's Dilemma

EM 2. ME Therefore, there are only two different arrangements for any two letter group of different letters. I also used this method to find out how many different combinations there would be for a group of six different letters and got 120 arrangements. Here is a table of all of groups of all different letters and the number of combinations each of them has: Number of letters in the group 1 2 3 4 5 Number of combinations 1 2 6 24 120 At first I tried to see if the answer had anything to do with the difference between each of the letters but that didn't lead me anywhere.

• Word count: 1814
11. ## Number Grid

I should now try the same method but with boxes of 3x3 dimensions. 3x3 Boxes Box 1 1 2 3 11 12 13 21 22 23 1x23=23 --> 63-23=40 3x21=63 Box 2 33 34 35 43 44 45 53 54 55 33x55=1815 --> 1855-1815=40 35x53=1855 Box 3 14 15 16 24 25 26 34 35 36 14x36=504 --> 544-504=40 16x34=544 I have noticed the pattern here. Whenever the numbers are diagonally multiplied and then the difference is found, you always end up with 40.

• Word count: 1645
12. ## Gullivers theory - introduction

Whereas for girls, I would agree with Gulliver. Age also has to be taken into consideration when dealing with the whole concept of the theory. A child and an adult have many differences; and to apply the theory to both groups would seem a bit irrational. An adult is fully matured in all physical aspects whereas a child still has to go through puberty. Another example is that a child hasn't fully developed a figure yet whereas an adult has; hence, affecting the waist measurements.

• Word count: 1816
13. ## Maths T-totals coursework

5n -number-7x9 How did I work out this and what can we do with this formula? The formula starts with 5 as there is a rise between the t-total of 5 each time. We then -63. I got this number by working out the difference between the t-number and the other numbers in the t-shape. E.g. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Working out 32-13=19 32-14=18 32-15=17 32-23=9

• Word count: 1547
14. ## statistics coursework

The frequency shows how often certain data occurs. The inter-quartile range will help me in a similar way. Box helps explain data visually. Cumulative frequency will show in tables and in graphs. samples Level 2 Level 3 Level 4 Level 5 Level 6 IQ IQ IQ IQ IQ 1 68 78 90 100 107 2 69 85 91 103 108 3 69 87 94 103 108 4 71 88 97 104 110 5 72 88 98 105 111 6 72 88 99 105 114 7 74 89 99 106 116 8 74 90 100 106 116 9 74 90 100 107 117 10 76 90 100 108 117

• Word count: 1172
15. ## Borders - find out the differences in the patterns of the colored squares.

Differences Total 5 13 25 41 61 85 113 145 181 221 1st difference 8 12 16 20 24 28 32 36 40 2nd difference 4 4 4 4 4 4 4 4 From the quadratic sequence, we see that the main difference is 4. The first formula I will try to find is the formula for the surrounding white squares. Formula for white squares Pattern 'font-size:12.0pt; '>1 x 4 = 4 white squares 'font-size:12.0pt; '>2 x 4 = 8 white squares 'font-size:12.0pt; '>3 x 4 = 12 white squares N = pattern number D = dark squares W = white squares I believe that the formula is 4 x the pattern number or 4N.

• Word count: 1497
16. ## Rollercoasters. I will use the rollercoaster database to answer the following question: Is it true that the fastest rides are the most exciting?

and the thrill factor out of 10 for a selected rollercoaster. This is quantitative data as it is numerical. The data will be useful because I will be able to use it to answer the question - I can compare the max speed of the rollercoaster with the thrill factor. I will collect a sample of 30, so that I can obtain a decent, yet manageable amount of data. I feel that this sample number will be efficient, as I will collect enough results to hopefully get a non-biased answer. I will need to take a sample from the population, which is a list of all the rollercoasters.

• Word count: 1882