Useful tips for everyday
When should you use the Wilcoxon rank sum test? The Wilcoxon rank-sum test is commonly used for the comparison of two groups of nonparametric (interval…
What is the formula in solving the sample size for estimating mean? For estimating population mean, the equation becomes: P ( | x ¯ −…
What happens when the assumptions of your analysis are violated? Violations of the assumptions of your analysis impact your ability to trust your results and…
Can you do correlations with dichotomous variables? For a dichotomous categorical variable and a continuous variable you can calculate a Pearson correlation if the categorical…
What is the purpose of standardizing data? Data standardization is the process of bringing data into a uniform format that allows analysts and others to…
How do you find the expected order in statistics? The expectation of an order statistic for the jth largest of r values is defined (David,…
Is probability theory pure math? Probability theory lies at the crossroads of many fields within pure and applied mathematics, as well as areas outside the…
How do I check Battery consumption of an app? How to test battery consumption for mobile apps: Check the status of the battery before the…
Why Maven update is not working? Make sure “Force Update of Snapshots/Releases” is checked. Sometimes the dependencies don’t update even with Maven->Update Project->Force Update option…
What are the most common challenges in selenium automation? If left unhandled for long, flaky tests may end up leaving a tester with a deluded…