The Following Table Includes the Information About a Monthly Time

question 99

Multiple Choice

The following table includes the information about a monthly time series. When a forecast is made by the three-month moving average method, all three monthly observations used to make this forecast are treated equally in the sense that each of them has the same weight of 1/3. What is the forecast for May when the three-month weighted moving average method is applied with the weights: 1/6, 2/6, and 3/6? Assign the smallest weight to the oldest data and the largest weight to the most recent data.

• A) 19.00
• B) 24.00
• C) 18.67
• D) 21.17

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Definitions:

Periosteum

A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints, playing a key role in bone health and repair.

Endosteum

A thin membrane lining the inner surface of the bony tissue that forms the medullary cavity of long bones.

Spongy Bone

A porous type of bone found at the ends of long bones and inside vertebrae, lightening the skeleton's weight and making room for bone marrow.

Osteon's Lacunae

Small spaces within the osteon of bones that house osteocytes, the cells responsible for maintaining bone tissue.