Concept explainers
To describe the centre and spread of data.
Answer to Problem 3CYU
5-number summary.
Explanation of Solution
Given information:58,66,52,75,60,56,78,63,59,54,60,67,72,80,68,88,55,60,59,61,82,70,67,60,58,86,74,61,92,76,58,62,
66,74,69,64
Formula used:
Lower quartile=
Median=
Upper quartile=
Where N is number of tiles/data points
Calculation:
Sorting data,
52,54,55,56,58,58,58,59,59,60,60,60,60,61,61,62,63,64,66,66,67,67,68,69,70,72,74,74,75,76,78,80, 82,86,88,92
Total data points=35
The 5 number summary is used because, the total data is too big to calculate for mean and standard deviation.
Maximum=92
Minimum=52
Median=
Lower quartile=
Upper quartile=
Graph:
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