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Topic 4: Statistics & Probability

Data, Statistics & Regression

Probability

Distributions & Random Variables

Difficulty

Paper

All

Paper 1

Paper 2

Section

Themes

Navigate to problem

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Continuous random variables

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Frequency Tables, Histograms and cumulative frequency diagrams, Discrete random variables

Number of fish caught	Frequency
0	7
1	12
2	10
3	19
4	k
5	3

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Regression lines

Age (Y)	41	46	49	51	55	61
Temperature (C)	37.7	37.2	37.1	39.2	36.8	36.6

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Regression lines

Study time (h)	0	1	2	4	5	8
Score (s)	45	52	62	65	74	88

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Discrete random variables

r	1	2	3	4	5	6
P(R=r)	0.1	0.1	p	q	0.2	0.2

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Combined Events, Normal Distribution

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Regression lines

x	1	2	4	5	6	8
y	18	29	54	32	69	93

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Binomial Distribution, Discrete random variables