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Hypothesis - On average, year nine students that watch more television per week have a higher IQ.

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Introduction

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

...read more.

Middle

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

...read more.

Conclusion

I then Added up all the IQs that belonged to the students and divided by hundred to get the average IQ which is 98. This was the average IQ that a year nine student achieved. Any number below that was grouped into ‘Low’ and any number that greater than that number was grouped as ‘High’.

In tables, I wrote down the Hours people watched, Frequency, Cumulative Frequency, Class Widths, Mid point and the FX, which is the midpoint multiplied by the frequency. I added all the FX’s up which gave me the ΣFX and divided it by how many students data I had, (100) and this gave me an accurate average.

My conclusion is that according to my data and graphs there is no relationship or correlation.

...read more.

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