Effective and noninvasive whale and biodiversity monitoring is now possible with the help of citizen scientists, opening up ...

Representative sampling is one of the key methods of achieving this because such samples replicate as closely as possible elements of the larger population under study. This alone, however, is not ...

Sampling Distribution of the Mean: This method shows a normal distribution where the middle is the mean of the sampling distribution. As such, it represents the mean of the overall population. To ...

In particular, it may be difficult to find a sampling frame or list for the population of interest, and this may influence how the population is defined. In addition, information may be available for ...

Online opt-in sample: These samples are recruited using a variety of methods that are sometimes referred to as “convenience sampling.” Respondents are not selected randomly from the population but are ...

On watching this video, students should be able to: Confirm that that aspects of good study design include defining the research question, defining the target population, and using an appropriate ...

For example, when the sample sizes are equal, testing at α = 0.05 (or α = 0.01) gives τ < 0.06 (τ < 0.015) for n ≥ 15, regardless of the difference in population variances.