The Graph of a Function F Is Given $\mathrm{f}^{-1}(2)$ A) $\frac { 2 } { 3 }$

question 78

Multiple Choice

The graph of a function f is given. Use the graph to find the indicated value.
- $\mathrm{f}^{-1}(2)$

• A) \(\frac { 2 } { 3 }\)
• B) \(\frac { 3 } { 2 }\)
• C) 2
• D) 6

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Definitions:

Sample Mean

The average of observations collected from a sample, used as an estimate of the population mean.

Observations

Data points or individual pieces of data collected through measurement, study, or research.

Random Sample

A group of people selected from a broader population, where every person has the same probability of being chosen.

Sign Test

A nonparametric test used to determine if there is a median difference between two paired samples.