State the factors that affect power and what factors we have to specify to do a sample size calculation. Some notes on the behaviour of sample size calculations and power for unequal group sizes This ...

Key Points Variable data is data that is measured. It can be derived from anything that you measure within your processes. It ...

Key Points Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data ...

Wednesday, but overall, refinance rates were essentially flat. Jumbo refinance loans were among those seeing a modest decline ...

Analysis: Even in a close election, random chance means polls should be showing a broader range of results. That raises the ...

Cy-Fair ISD won’t pursue eliminating K-level classes and changing GPA ranking rules, but the board could still vote to remove ...

This can be due to some loan types being less popular among mortgage shoppers, such as the 10-year fixed rate, resulting in ...

In the current election cycle, many media reports about polls are not including information about the margin of error.

Cassava Sciences' RETHINK-ALZ trial is nearing data release. See why SAVA stock could see volatility depending on trial ...

Superconductivity is the phenomenon by which, at sufficiently low temperatures, electric current can flow in a metal with no ...