WARNING: 50% of the cells have expected counts less than 5. (Asymptotic) Chi-Square may not be a valid test.
What is the chi-squared test? The chi-squared test, often written as χ 2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are ...
A clinic considers that sperm are satisfactory if they fertilise >=50% of mature eggs. A new test to predict satisfactory fertilisation was tested on semen samples from 200 couples. One hundred and ...
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