I'm stuck on the following question and think my answer is incorrect
'An optician noticed the following information about colour-blindness in males and females. Is there a significant difference between the observed frequency of colour blindness in males and females?'
Colour blind males - 56
Not colour blind males - 754
Colour blind females- 14
Not colour blind females- 536
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Chi-squared exam question. Help? watch
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Last edited by Chillingtbh; 08-11-2017 at 19:08.
- 08-11-2017 19:01
- 08-11-2017 19:49
Consider the percentages.Are they similar or is one much greater than another?