Evaluate $3 \left( 2.5 ^ { 2 } - 3 \right) - \sqrt { 2.56 } - ( 9 - 8 ) ^ { 2 }$

question 36

Multiple Choice

Evaluate $3 \left( 2.5 ^ { 2 } - 3 \right) - \sqrt { 2.56 } - ( 9 - 8 ) ^ { 2 }$ following the order of operations using a calculator.

• A)5.4
• B)-40.85
• C)2.65
• D)7.15

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Definitions:

Critical Value

A critical value is a point on the distribution that represents a threshold above which significant results are considered to occur.

Statistical Hypotheses

Statements made for statistical testing, including a null hypothesis and possibly an alternative hypothesis, concerning the parameters or distribution of a population.

Research Hypotheses

Proposals made by researchers that predict a potential outcome, relationship, or effect that will be tested through study or experimentation.

Data Analysis

The process of inspecting, cleansing, transforming, and modeling data to discover useful information and support decision-making.