Sentence examples for population variances from inspiring English sources

The Levene test was used to check whether population variances were equal.

These tests can be implemented with and without the assumption of equal population variances.

The comparison of the different sampling approaches renders the availability of information on population variances necessary.

Figure 8 Cost-efficiency under changing population variances (cost per field plot = 500 US$), and remote sensing cover of 1%. Figure 9 Cost-efficiency under changing population variances (cost per field plot = 500 US$), and remote sensing cover of 10%. Figure 10 Cost-efficiency under changing population variances (cost per field plot = 500 US$), and full remote sensing cover.

From the equations given in Table 2 it is intuitively clear that changes in population variances affect standard errors but do not change the pattern of cost-efficiency.

We also used the Bartlett's Test for inequality of population variances and Mann–Whitney/Wilcoxon Two-Sample Test (Kruskal Wallis test for two groups).

Characteristics such as the population mean, the population variance, and the population proportion are called parameters of the population.

For instance, interval estimation of a population variance, standard deviation, and total can be required in other applications.

Note the population variance.

where is the population mean and is the population variance.

Mean based imputation considerably underestimates the population variance and tends to weaken the attribute relationships.