Sentence examples for between two sample proportions from inspiring English sources

Chi-square test was applied for the comparison between two sample proportions and Student's t test was applied for the comparison between two sample means.

Descriptive analyses were performed and the Z test for independent proportions was used to calculate the difference between two sample proportions.

Categorical variables were compared using two sample proportion tests.

** The p-values were from two sample proportion tests.

It was followed by the Mann Whitney U-test in order to statistically compare the proportions between two samples.

Three sampling proportions 5%, 10%and15%5% were used in the study.

Using a formula for detection of difference between two proportions, a sample size of 107 cases per group was calculated using R software with Epicalc package.

For qualitative variables, point and interval estimates of the difference between population proportions can be constructed by considering the difference between sample proportions.

Differences in proportion between the 2004/06 and 2007/08 studies were compared using the two sample- binomial tests for proportions.

Data were analysed using descriptive statistics, t-tests for independent sample means and 95% confidence intervals for the difference between two independent proportions.

Motivated by a study on comparing sensitivities and specificities of two diagnostic tests in a paired design when the sample size is small, we first derived an Edgeworth expansion for the studentized difference between two binomial proportions of paired data.