Evaluate the Sum $$\sum _ { k = 3 } ^ { 6 } \left( k ^ { 2 } - 3 \right)$$

question 339

Multiple Choice

Evaluate the sum. Round to two decimal places, if necessary.
- $$\sum _ { k = 3 } ^ { 6 } \left( k ^ { 2 } - 3 \right)$$

• A) 99
• B) 74
• C) 41
• D) 86

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Definitions:

Factorial Research

A type of experimental design where two or more factors (independent variables) are simultaneously varied to observe their effect on a dependent variable.

Independent Variables

Variables in a study that are manipulated or categorized to investigate their effect on dependent variables.

Dependent Variable

The outcome variable that researchers study, measuring its changes as affected by other variables.

Interaction Effect

A phenomenon in statistics where the effect of one independent variable on a dependent variable differs depending on the level of another independent variable.