Solve the Absolute Value Inequality $\phi$ , Use Interval Notation to Express the Solution Set and Use

question 295

Multiple Choice

Solve the absolute value inequality. Other than $\phi$ , use interval notation to express the solution set and graph the solution set on a number line.
- $| x + 7 | + 5 \leq 7$

• A) \((-\infty,-9] \cup[-5, \infty)\)
• B) \(( - 9 , - 5 )\)
• C)\([ - 9,7 ]\)
• D) \([ - 9 , - 5 ]\)

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Definitions:

Rejection Region

The portion of the sampling distribution of a statistic that leads to the rejection of the null hypothesis.

ANOVA

Stands for Analysis of Variance, a statistical method used to determine if there are any statistically significant differences between the means of three or more independent groups.

Tukey-Kramer Procedure

A statistical method used to perform multiple comparisons tests between group means after an ANOVA to find out which specific groups differ from each other.

Q Statistic

A measure used in statistics to test for the independence of two or more groups of data.