Histograms Quiz | GCSE Maths Edexcel Higher | Cognito

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This quiz contains 4 questions from a mix of 1 subtopics.

Calculate the missing frequency density in the table below.

Number of points	Frequency	Frequency density
0 < p $\leq$ 5	5	1
5 < p $\leq$ 12	6	0.86
12 < p $\leq$ 19	4	0.57
12 < p $\leq$ 25	2	?

13

0.15

0.08

12.5

0

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1

Calculate the missing frequency density in the table below.

Age (months)	Frequency	Frequency density
0 < p $\leq$ 6	9	1.5
6 < p $\leq$ 12	7	1.17
12 < p $\leq$ 24	12	?
24 < p $\leq$ 36	9	0.75

1

-1

2

0.5

0

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1

Calculate the missing frequency density in the table below.

Matches played	Frequency	Frequency density
0 < p $\leq$ 3	4	?
3 < p $\leq$ 8	5	1.0
8 < p $\leq$ 20	2	0.17
10 < p $\leq$ 15	1	0.2

1.3

0.42

0.75

1.0

0

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1

Plot the histogram for the data in the frequency table.

Age (years)	Frequency	Frequency density
20 < a $\leq$ 30	20	2
30 < a $\leq$ 35	22	4.4
35 < a $\leq$ 40	16	3.2
40 < a $\leq$ 50	13	1.3
50 < a $\leq$ 65	9	0.6

0

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2