... that not all of the data is chosen from one particular century. There are 349 pieces of data and I wanted to choose 75 of them. I chose not to use all of them because there is too much data ...

... out various pieces of information. Of the 227 people who took the test, there are 119 were female and 108 male. Instructor Number of learners Female Male A 60 31 29 B 93 49 44 C 36 20 16 D 38 19 19 The table shows that instructor D had the most pupils, with 93 and instructor C had the least, with ...

... 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 ...

... the other variable will move in lockstep, in the same direction. Alternatively, 'perfect' negative correlation means that if one variable moves in either direction the variable that is perfectly negatively correlated will move by an equal amount in the opposite ...

... Insurance 5 Number of Doors 6 MPG 7 Number of Owners Here are the low affect factors. 1 Style 2 Central locking 3 Seats 4 Air conditioning 5 Airbags I have decided to use the first 48 cars on my database to gain an evaluation of what affects second hand ...

... going to try to find out the number of arrangements for a group of 2 different letters, 'EM': 1. 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 ...

... each district. All the information in the data book would be very hard for me to use, and it would also be very time consuming due to the vast amounts of data. I have therefore decided to use stratified sampling. ...

... be a good representation of health, despite sometimes not taking into account people with high muscle: fat ratios. I therefore think that people with a BMI in the "healthy" 20-24 bracket will have a better score for the bleep test ...

... neck did not show any relationship (no correlation); The neck to waist was 1.9. This shows that Gulliver's theory is valid in the case of thumb to wrist and neck to waist. However the wrist to neck results do not agree ...

... that can contribute to this. One factor which can alter the consistency of the theory is gender. Boys tend to have a larger body build than girls and hence, I do not believe the theory to be true in ...

... theory behind this is that the more hours spent watching TV the lower the IQ as it is thought that TV will prevent students learning meaning they will have a lower IQ. Hypothesis 2 The notion behind my second hypothesis is ...

... Rugby 1 8 7.4 7.5 85 1 9 9.2 10.2 DNR 1 10 inj 13.6 3 Rugby 1 11 5.4 7.5 100 1 12 inj 9.0 55 Rugby This is an example of the data I have used. It is from the Yr 10 data spreadsheet and shows what class a pupil is in, their number, their Pe Bleep ...

... do. This may mean that males won't need as many one hour lessons that girls need. * Any extra practise form siblings or parents- some candidates may have used their extra time to take part in any extra driving practise. ...

... ? w <5 5 ? w <10 10 ? w <15 15 ? w <20 20 ? w <25 25 ? w <30 0 19 29 7 25 27 2.5 7.5 12.5 17.5 22.5 27.5 0 142.5 362.5 122.5 562.5 742.5 Total: 107 Total: 1932.5 So the mean average of female mice is 1932.5÷107= 18.10 (2 d.p. places) Male Groups Frequency ...

... reflex angles could be mistaken for acute angles and vice versa, so people may not be giving an accurate estimate. I will assume that the data is reliable, as I will eliminate bias from my sample by looking at the ...

... 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 19+18+17+9=63 This is where 63 comes into the equation 5n-63 I will also use another method to check the formula is correct n-19 n-18 n-17 n-23 n n+n-23+n-19+n-18+n-17= 5n-63 This is an example of using this formula 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 5x48-63=t-total 5x48-63=177 Check to prove formula T-total=29+30+31+39+48=177 This proves my formula works. I will now ...

... Key Stage 4. I will be starting off with the students in Key Stage 3. This means I will be doing my research on students in Year 7 to Year 9. Secondly, I will research into the students of Key ...

... This is where I will be taking a portion of the population to gather my results, instead of using all 240 people. This means that the data will be easier to handle and I will have less points to plot ...

... 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. The hypothesis I am going to ...

... did not equal 328, I would have not counted properly and missed students out because the total number of students is 328. I then calculated the percentage of the male and female students of each category out of the total ...

... 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 11 76 90 100 108 120 12 78 90 100 108 126 13 78 91 100 109 126 14 83 91 100 110 126 15 86 93 100 110 127 16 87 94 101 110 127 17 88 94 101 110 127 18 94 103 112 130 19 94 103 112 131 20 96 103 114 21 96 103 116 22 96 104 116 23 98 104 116 24 99 104 116 25 100 104 117 26 101 106 117 27 101 106 119 28 102 107 120 29 104 107 120 30 104 112 120 IQ averages Level 2 - 76.17647 Level 3 - 93.36667 Level 4 - ...

... there is a negative correlation that it will seem the opposite. To carry out this investigation further, I plan to make two box and whisker plots to discover whether the constituencies who elect Labour are more likely to be unemployed. ...

... the t-number and in this case it is 54. We then times the 54 by 5 because it rises 5 ever time the t- number goes up. Then we + the t-total from the original t-shape and we come out ...