These should be based on some evidence but all to often people draw conclusions based on prejudices.
statistical inference
Within a population many individual do not survive
inferential statistic
none of the above
Without the excerpt provided, it is impossible to draw any conclusions about the author.
Draw conclusions based on details from the reading.
The true / real standard deviation ("the mean deviation from the mean so to say") which is present in the population (everyone / everything you want to describe when you draw conclusions)
They explore a subject from different angles to draw conclusions.
When you think you have found the answer to your question.
Descriptive and Inferential:Descriptive statistics describe the data set.Inferential statistics use the data to draw conclusions about the population.
A subset of cases selected from a larger population is called a sample. Samples are chosen to represent the larger population in order to make inferences or draw conclusions about the population as a whole.