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English Pages 88 [122] Year 2019
Dean Chalmers
Cambridge International AS & A Level Mathematics:
Probability & Statistics 1 Worked Solutions Manual
Frequeny density (trainees per 1 minute)
125 100 75 50 25 0
2.55
2.85
3.05 3.25 Time taken (minutes)
3.75
Cumulative frequency (Number of light bulbs) 225
200
150
100
50
0 80 120 160 Days 200 240 280
Marks in Chemistry
Marks in Physics
Area (cm2) 0
10
20
30
40
Cumulative frequency (No. brackets) 250
200
150
100
50
–1.5 –1.0–0.5 0 0.5 1.0 1.5 2.0 2.5 Deviation (d degrees)
50
60
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