A census revealed the following figures of the blind and the insane in two age groups
in a certain population:
Age-Group of 15-25
years
Age-Group of over 25
years
Total population 2,70,000 1,60,000
Number of blind 1000 2000
Number of insane 6000 1000
amitnrw:
what to do with data ?
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Answer:
Step-by-step explanation:
Pearson correlation coefficient
Measure of associates , in statistic is coefficients used to quantify a relationship between two or more variables. strength of the association between two variable .
a) obtain a measure of the association between blindness and insanity in each of the age groups.
Relatively risk would be
For the age group 15 -25 years = (1000 / 270000) (6000/270000) = 6
For the age group over 25 years = (2000/160000)(1000/160000) = 2
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