After reading this article you will learn about:- 1. Meaning of X2- Test 2. Salient Features of X2- Test 3. Applications of X2- Test 4. Testing Goodness of Fit of X2- Test 5. Test of Linkage following the use of X2-Test 6. Use of X2-Test in Binomial Distribution 7. X2-Test Independence 8. X2-Test of Heterogeneity 9. Use of X2-Test in [...]
The following points highlight the top seven statistical procedures of biostatistics. The procedures are: 1. Calculation of Average or Central Tendency 2. Variability 3. Standard Deviation 4. Standard Error of Mean 5. Significance of Difference in Means of Small Samples or Student's 't' Test 6. Chi-Square Test (x2-Test) 7. Analysis of Variance (ANOVA). Procedure # 1. Calculation of Averages or [...]
In this article we will discuss about the meaning and co-efficient of Variance. Meaning of Variance: It is very useful measure of dispersions which is commonly used for population data. The arithmetic mean of the squares of deviations obtained from the mean is referred to as variance. It is based on standard deviation and the square of the standard deviation [...]