Question
The table below shows the age distributionof a sample of persons from Community A who developed prostate cancer. What is the VARIANCE for the age
The table below shows the age distributionof a sample of persons from Community A who developed prostate cancer.
What is the VARIANCE for the age of persons from community A developing prostate cancer?
Age (years) | Frequency | Cumulative Frequency |
51 - 60 | 2 | 2 |
61 - 70 | 9 | 11 |
71 - 80 | 6 | 17 |
81 - 90 | 7 | 24 |
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Elementary Number Theory
Authors: Underwood Dudley
1st Edition
0486134873, 9780486134871
