Is it pronounced dayta or Dahta?
The US and Australia, for example, predominantly use “dayta” but New Zealanders say “dahta“. In short, either is correct but different countries’ cultures have different norms.
What outliers mean?
An outlier is an observation that lies an abnormal distance from other values in a random sample from a population. In a sense, this definition leaves it up to the analyst (or a consensus process) to decide what will be considered abnormal. These points are often referred to as outliers.