Find the Value Of $x$ $\log _ { 81 } x = \frac { 1 } { 2 }$

question 6

Multiple Choice

Find the value of $x$ . $\log _ { 81 } x = \frac { 1 } { 2 }$

• A)9
• B) \(\frac { 1 } { 9 }\)
• C)2
• D) \(\frac { 1 } { 2 }\)
• E) \(1\)

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Definitions:

Goodness-Of-Fit Test

A statistical test used to determine how well observed sample data fit a distribution from a population with a normal distribution.

Expected Frequency

The number of times an outcome is predicted to occur in an experiment or trial based on probability theory.

Normal Distribution

A distribution of probability that is even around the average, indicating that observations close to the mean are more common than those further away.

Chi-Square Distribution

A statistical distribution used for hypothesis testing that is derived from the sum of squared variables that follow a normal distribution.