Add Do Not Use a Number Line Except as a Check

question 225

Multiple Choice

Add. Do not use a number line except as a check.
--9 + 8

• A)17
• B)-1
• C)1
• D)-17

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Definitions:

Non-directional Null Hypothesis

A type of null hypothesis that specifies there is no specific direction of difference or relationship between variables.

≠ Symbol

A mathematical symbol denoting inequality, indicating that two values are not equal.

Null Hypothesis

This hypothesis posits that there is no effect or no significant difference between specified populations.

Directional

Pertaining to a hypothesis or research that specifies the expected direction of the relationship between variables.