I the F Distribution Is Positively Skewed and Its Values

question 8

Multiple Choice

i. The F distribution is positively skewed and its values may range from 0 to plus infinity.
ii. The F distribution's curve is positively skewed.
iii. There is one, unique F distribution for a F-statistic with 29 degrees of freedom in the numerator
And 28 degrees of freedom in the denominator.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Test-statistic

A value calculated from sample data during a hypothesis test used to determine the validity of the hypothesis.

Sample Size

The number of observations or elements selected from a population to participate in a statistical study.

Degrees of Freedom

The number of independent values or quantities that can vary in the statistical analysis of a given dataset.

Type I Error

The incorrect rejection of a true null hypothesis, also known as a "false positive."