An Arithmetic Sequence Is Given $$\left\{ \frac { 1 } { 3 } + \frac { n } { 8 } \right\}$$

question 14

Multiple Choice

An arithmetic sequence is given. Find the common difference and write out the first four terms.
- $$\left\{ \frac { 1 } { 3 } + \frac { n } { 8 } \right\}$$

• A) \(\mathrm { d } = \frac { 1 } { 3 } ; \frac { 11 } { 24 } , \frac { 7 } { 12 } , \frac { 17 } { 24 } , \frac { 5 } { 6 }\)
• B) \(\mathrm { d } = \frac { 1 } { 3 } ; \frac { 1 } { 3 } , \frac { 11 } { 24 } , \frac { 7 } { 12 } , \frac { 17 } { 24 }\)
• C) \(\mathrm { d } = \frac { 1 } { 8 } ; \frac { 11 } { 24 } , \frac { 7 } { 12 } , \frac { 17 } { 24 } , \frac { 5 } { 6 }\)
• D) \(\mathrm { d } = \frac { 1 } { 8 } ; \frac { 1 } { 3 } , \frac { 11 } { 24 } , \frac { 7 } { 12 } , \frac { 17 } { 24 }\)

Analyze the adequacy of forecasting models using MAD and other statistical measures.

Understand the impact of smoothing constants in forecasting accuracy.

Understand and apply the concept of seasonal variations in time series regressions.

Recognize the role of the error term in capturing random variations within time series data.

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Definitions:

Worker

An individual who performs tasks or services for compensation; an employee.

Variable Cost

Costs that change in proportion to the activity or volume of output in production, such as raw materials and direct labor costs.

Fixed Cost

Costs that do not vary with the level of output or sales, such as rent, salaries, and insurance.

Marginal Cost

The amount of money spent to manufacture one additional unit of a product or service.