If the sample is not similar in relation to the beam interaction volume, the results may differ depending on the influence of nearby elements (Figure 1). Figure 1. A: Homogeneous sample within the ...

For example, in marketing, numbers can show sales patterns, but listening to customer opinions and reasons can tell you what they feel and why they buy, according to Tasker. Using both types of ...

To get accurate quantitative research, you'll need a basic knowledge of statistics -- including the ability to select the right sample size, to choose random and representative data and to choose ...