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- 1 videocassette (30 min.) : sd., col. ; 1/2 in.
- Additional Authors
- Amabile, Teresa
- Corporate Author
- Chedd-Angier Production CompanyConsortium for Mathematics and Its Applications (U.S.)
- An Annenberg/CPB projectHost, Teresa AmabileProduced in association with the American Statistical AssociationRecording system: PALSUMMARY: Explains the parts of the confidence interval and gives an example of how it is used to measure the accuracy of long-term mean blood pressure. Explains the use of a formula to convey the z* values into values on the sampling distribution curve