The Graph Of $\mathrm { y } _ { 1 }$

question 376

Multiple Choice

The graph of $\mathrm { y } _ { 1 }$ is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation $\mathrm { y } _ { 1 } = 0$ ?


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$$- 90 , - \frac { 91 } { 10 } , \frac { 91 } { 10 } , 85$$

• A) \(\frac { 91 } { 10 }\)
• B) \(- 90\)
• C) \(- \frac { 91 } { 10 }\)
• D) 85

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Definitions:

Null Hypothesis

A statement or hypothesis that asserts there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.

µ

The population mean, representing the average value of a given population.

α

Denotes the level of significance in hypothesis testing, representing the probability of rejecting the null hypothesis when it is true.

Null Hypothesis

A hypothesis that assumes no statistical significance in a set of given observations, aiming to be either proven or disproven.