Overall, professor salaries barely budged during past year, the Chronicle says, noting that on average, salaries for full-time faculty rose 1.8% in the 2011-12 school year, while inflation was 3%. Tuition, meanwhile, has increased dramatically.
Inferential Statistics. Inferential statistics is concerned with making predictions or inferences about a population from observations and analyses of a sample. That is, we can take the results of an analysis using a sample and can generalize it to the larger population that the sample represents.
The second type of statistical analysis is inference. Inferential statistics are a way to study the data even further. According to My Market Research, inference statistics allows organizations to test a hypothesis and draw conclusions about the data. In these cases, a sample of the entire data is typically examined, with the results applied to the group as a whole. According to online textbook provider Boundless, the conclusions of a statistical