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New Terms Unit 5
New terms introduced in Unit 5
Term | Definition |
---|---|
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 |