A Seasonal Index for a Monthly Series Is About to Be

question 92

Multiple Choice

A seasonal index for a monthly series is about to be calculated on the basis of three years' accumulation of data. The three previous July values were 110, 150, and 130. The average over all months is 190. The approximate seasonal index for July is

• A) 0.487
• B) 0.684
• C) 1.462
• D) 2.053
• E) cannot be calculated with the information given

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Definitions:

Cause and Effect

The principle that every event (effect) has one or more causes; the basis of logical reasoning and scientific investigation.

Experimenters

Individuals who conduct experiments to test hypotheses or observe phenomena under controlled conditions.

Random Assignment

A method used in experiments to place participants into different groups using chance, ensuring that each group is equally likely to receive different treatments.

Intelligence

The ability to acquire knowledge, solve problems, and use reasoning to adapt to new situations.