The Use of Email Continues to Grow,with 21 Percent Growth

question 108

True/False

The use of email continues to grow,with 21 percent growth in new users over one year from 2008 to 2009.

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Definitions:

Means

The average of a set of numbers, calculated by dividing the sum of all the values by the count of the values.

Equal-variances Test

A statistical test used to check if two populations have equal variances.

Student T-distributed

The Student's t-distribution is a probability distribution that is symmetric and bell-shaped, used especially in small sample sizes for estimating population parameters.

Degrees Of Freedom

The quantity of distinct values or parameters that can be allocated to a statistical test or distribution while adhering to all restrictions.