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New Terms Unit 5

New terms introduced in Unit 5

Confidence Interval A range of values, at a specified level of confidence, that is likely to contain a specified event.
Confidence Level A pre-determined probability that specifies how confident a researcher wants to be that an event will be selected
One-tail A contiguous area of probability on only one end (tail) of a distribution
One-tailed test Area on one side of a distribution that allows a researcher to reject the null hypothesis. The rejection area.
p Values The probability of getting a value equal to or more extreme then specified, when the null hypothesis is true.
Statistical significance A mathematical term used when an event meets or exceeds a pre-specified level of confidence. For example, that will occur less than 5% of the time is significant at the 95% level.
Two-tail An area of probability equally split on both ends (tails) of a distribution.
Two-tailed test The two equal-sized areas on both sides of a distribution that allows a researcher to reject the null hypothesis. The rejection area
Created by: Dr.D