Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Methods in Biology Biostatistical Methods
What is the purpose of the chi-square test in statistical analysis?
1
To determine the mean and standard deviation of a data set.
2
To compare the means of two independent samples.
3
To test whether there is a significant association between observed and expected frequencies in categorical data.
4
To calculate the correlation coefficient between two continuous variables.