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Maths Coursework Hypothesis 1 On average, year nine students that watch more television per week have a higher IQ. Girl Number IQ Hours per week watching television 1 23 96 10 hours 2 44 90 13 hours 3 9 101 4 hours 4 18 103 14 hours 5 21 105 19 hours 6 10 102 50 hours 7 20 104 19 hours 8 30 108 15 hours 9 50 100 14 hours 10 126 132 14 hours 11 109 100 5 hours 12 121 108 100 hours 13 123 28 28 hours 14 124 124 35 hours 15 113 102 16 hours 16 1 112 15 hours 17 5 102 35 hours 18 49 106 35 hours 19 52 107 20 hours 20 16 106 15 hours 21 54 102 32 hours 22 108 112 10 hours 23 87 107 22 hours 24 78 92 14 hours 25 62 91 8 hours 26 99 107 10 hours 27 77 89 20 hours 28 102 100 12 hours 29 101 108 25 hours 30 26 112 3 hours 31 22 97 10 hours 32 45 95 14 hours 33 48 102 35 hours 34 43 107 16 hours 35 27 94 12 hours 36 51 109 12 hours 37 53 105 32 hours 38 2 100 18 hours 39 35 100 2 hours 40 25 113 18 hours 41 55 106 13 hours 42 106 113 16 hours 43 107 108 25 hours 44 105 110 14 hours 45 19 106 20 hours 46 15 103 4 hours 47 56 94 13 hours 48 57 98 9 hours 49 69 100 20 hours 50 68 109 13 hours Boy Number IQ Hours per week watching television 1 186 109 7 hours 2 132 115 8 hours 3 138 90 14 hours 4 157 100 25 hours 5 160 106 14 hours 6 161 100 4 hours 7 162 104 17 hours 8 171 92 9 hours 9 175 97 14 hours 10 184 96 14 hours 11 133 102 15 hours 12 187 101 10 hours 13 188 100 9 hours 14 193 97 8 hours 15 199 103 14 hours 16 200 93 12 hours 117 202 87 7 hours 18 209 105 9 hours 19 210 106 10 hours 20 213 72 8 hours 21 229 100 21 hours 22 224 78 9 hours 23 212 68 9 hours 24 201 101 8 hours 25 219 107 12 hours 26 228 102 12 hours 27 220 100 6 hours 28 227 101 12 hours 29 230 108 14 hours 30 232 103 18 hours 31 231 103 14 hours 32 282 102 10 hours 33 281 101 13 hours 34 269 104 30 hours 35 268 100 30 hours 36 266 101 28 hours 37 255 106 3 hours 38 244 101 6 hours 39 253 94 22 hours 40 240 112 15 hours 41 230 108 14 hours 42 239 106 24 hours 43 248 99 4 hours 44 277 110 14 hours 45 189 94 12 hours 46 198 112 10 hours 47 272 106 15 hours 48 271 98 20 hours 49 252 103 12 hours 50 250 81 20 hours Group the data Television watched (hours) Frequency Cumulative Frequency Class width Mid point FX 0 ? h <20 75 79 20 10 750 20 ? h <40 23 98 20 30 690 40 ? h <60 1 99 20 50 50 60 ? h <80 0 99 20 70 0 80 ? h...

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