One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The following counts were observed. Colorblind Not Colorblind Total Male 7 53 60 Female 1 39 40 Total 8 92 100 Find the value of the χ2 statistic for the chart data.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The following counts were observed.
| Colorblind | Not Colorblind | Total | |
| Male | 7 | 53 | 60 |
| Female | 1 | 39 | 40 |
| Total | 8 | 92 | 100 |
Find the value of the χ2 statistic for the chart data.
Could you plese point out step by step how to find X2
I always get confused. X2 is the same as chi-square but I am always ixing it up. Thanks much
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