It Is Estimated That __________ Percent of the World's Languages

question 19

Multiple Choice

It is estimated that __________ percent of the world's languages are endangered.

• A) 50 to 90
• B) 30 to 50
• C) 90 to 95
• D) 15 to 25

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Definitions:

T-Values

Statistics used in T-tests that compare the means of two groups. They indicate how many standard deviations an observed sample mean is from the null hypothesis mean.

Z-Values

Standardized scores that indicate how many standard deviations an element is from the mean.

Sample Size

The number of observations or data points used in a statistical sample.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, often determining the shape of the distribution.