I If the Sales, Production or Other Data Over a Period

question 86

Multiple Choice

i. If the sales, production or other data over a period of time tend to approximate a straight-line trend, the equation developed by the least squares method cannot be used to forecast sales for a future period.
Ii) A straight-line trend equation is used to represent the time series when it is believed that the data is increasing (or decreasing) by equal amounts, on the average, from one period to another.
Iii) If the past data approximates a straight line, the equation used is = a + bt, where a is the y- intercept and b is the slope of the line.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Disease Exacerbations

Episodes where symptoms of a chronic condition become worse or more severe.

Palliative Care

Specialized medical care focused on providing relief from the symptoms and stress of a serious illness, aiming to improve quality of life for both the patient and their family.

Acute Care

Short-term treatment provided in hospitals for patients suffering from severe injury or illness, an urgent medical condition, or during recovery from surgery.

Chronic Disease

A long-lasting condition that can be controlled but not cured.