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Topic 4: Statistics and Probability

Data, Statistics & Regression

Probability

Distributions & Random Variables

Difficulty

Paper

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Paper 1

Paper 2

Section

Themes

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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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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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Regression lines

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

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Combined Events, Normal Distribution

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Binomial Distribution, Discrete random variables

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Regression lines

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

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Frequency Tables, Histograms and cumulative frequency diagrams, Quartiles and Box & Whisker Plots

PG	129	130	136	115	80	106	105	108
LB	73	102	83	89	78	105
IH	145	173	146	158	135	103
OR	97	103	103	108

Clutch Size	Frequency
70-89
90-109
110-139
140-159
160-179

PG	129	130	136	115	80	106	105	108
LB	73	102	83	89	78	105
IH	145	173	146	158	135	103
OR	97	103	103	108

PG	129	130	136	115	80	106	105	108
LB	73	102	83	89	78	105
IH	145	173	146	158	135	103
OR	97	103	103	108

PG	129	130	136	115	80	106	105	108
LB	73	102	83	89	78	105
IH	145	173	146	158	135	103
OR	97	103	103	108