Quick Answer: What Does Or Stand For In Statistics?

What does NS stand for in statistics?

Not Statistically SignificantNS stands for Not Statistically Significant Suggest new definition..

What does C mean in statistics?

The complement of an event is the subset of outcomes in the sample space that are not in the event. A complement is itself an event. The complement of an event A is denoted as A c A^c Ac or A′. … This means that in any given experiment, either the event or its complement will happen, but not both.

What does P stand for in statistics?

In statistical hypothesis testing, the p-value or probability value is, for a given statistical model, the probability that, when the null hypothesis is true, the statistical summary (such as the absolute value of the sample mean difference between two compared groups) would be greater than or equal to the actual …

What do the probability symbols mean?

Definitions and Notation The conditional probability of Event A, given Event B, is denoted by the symbol P(A|B). The complement of an event is the event not occurring. … The probability of the intersection of Events A and B is denoted by P(A ∩ B). If Events A and B are mutually exclusive, P(A ∩ B) = 0.

What does or mean in statistics?

In probability, there’s a very important distinction between the words and and or. And means that the outcome has to satisfy both conditions at the same time. Or means that the outcome has to satisfy one condition, or the other condition, or both at the same time.

What does a stand for in statistics?

In tests of population proportions, p stands for population proportion and p̂ for sample proportion (see table above). P(A) = the probability of event A. P(AC) or P(not A) = the probability that A does not happen.