Simplify Assume All Variables Represent Positive Real Numbers $\frac { 4 } { \sqrt { 5 } }$

question 73

Multiple Choice

Simplify. Assume all variables represent positive real numbers.
- $\frac { 4 } { \sqrt { 5 } }$

• A)29
• B) \(4 \sqrt { 5 }\)
• C) \(\frac { 4 \sqrt { 5 } } { 5 }\)
• D) \(\frac { 16 \sqrt { 5 } } { 5 }\)

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Definitions:

Equal-variances T-test

A statistical method that compares the average values of two groups, under the assumption that both groups have equal variances.

Normal Populations

Populations in which the underlying distribution of the data follows a normal distribution, characterized by a symmetric bell-shaped curve.

Independent Samples

Samples in which the selection or occurrence of one does not affect the selection or occurrence of the other.

Two-tailed Hypothesis Test

A statistical test used to determine if there is a significant difference between the means or proportions of two populations in either direction.