statis_0445 [13 marks]

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Details

Topic: Statistics (Statistics)
Marks: 13
Tier: Core
Style: Structured
Calculator: Not tagged yet
Status: Usable
Source: statisticsclassified.pdf, page 25, 0580/31/M/J/11 (original Paper 3)
Import issues: None

Part	Answer	Mark	Guidance
(a)	Frequencies for 6, 7, 8, 9, 10: 5, 3, 3, 0, 2	3	B2 for 4 correct, B1 for 2 or 3 correct
(b)(i)	9	1
(b)(ii)	3	1
(b)(iii)	5	2	M1 for the 15th and 16th values identified
(b)(iv)	4.8	3	M1 for Σfx (= 144) attempted; M1 for ÷ 30
(c)(i)	3/30 = 1/10	1
(c)(ii)	0	1
(c)(iii)	17/30	1