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

question 258

Multiple Choice

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

• A) 21
• B) 27
• C) 24
• D) 15

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Definitions:

Risk

Risk refers to the potential for losing something of value or the possibility of an event occurring that would lead to a negative outcome.

Consistency

Consistency in data or methodologies indicates that the results or approaches remain steady and unvarying over multiple trials or instances.

Chi-squared Distribution

A statistical distribution that is used to describe the distribution of the sum of the squares of independent, standard normal variables.

Critical Value

The threshold value that a test statistic must exceed for the null hypothesis to be rejected in hypothesis testing.