Examlex
________ is a voice system that enables users to request and receive information and to enter and change data through a telephone to a computerized system.
Degrees of Freedom
The number of independent pieces of information in a dataset that are available for estimating a parameter or calculating a statistic.
Student t Distribution
A probability distribution that is used in hypothesis testing for small sample sizes, when the population standard deviation is unknown.
Mean
The arithmetic average of a set of numbers, calculated by adding all the numbers together and dividing by the count of the numbers.
Table
A method for organizing data in rows and columns to facilitate analysis and representation.
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