Free Paid Surveys Online
Start Survey
Glossary of Market Research Terms – Z
Bottom    Back   A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z   Next

ZIP Code Demographics:

ZIP Code Demographics is a process that provides statistics and characteristics of a population located within a designated ZIP code area. The information provided includes attributes like ages, genders, ethnographic data, total population size, languages spoken, economic strata and others.


Z-test:

Z-test is a statistical test that is based on the standard normal distribution. Z-tests are useful while determining the inferences like statistical significance of the difference between sample means and the population means. The reliability of the Z-Tests is based on the knowledge of the population mean and population standard deviation in a simple random sample.



Top    Back   A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z   Next
 
Home | About | Articles | Glossary | Site Map | Link to us  | Affiliates | Contact