Approaches of test statistics
Answer:
1. t-test: This is a statistical test used to compare the means of two samples. It is used to determine whether the difference between the two samples is statistically significant.
2. F-test: This is a statistical test used to compare the variances of two samples. It is used to determine whether the difference between the two samples is statistically significant.
3. Chi-square test: This is a statistical test used to compare the observed frequencies of two or more samples. It is used to determine whether the difference between the observed frequencies is statistically significant.
4. Z-test: This is a statistical test used to compare the means of two populations. It is used to determine whether the difference between the two populations is statistically significant.
5. ANOVA: This is a statistical test used to compare the means of three or more samples. It is used to determine whether the difference between the means of the samples is statistically significant.