A Time- Series Graph Showing Total Production in Japan from 1960

question 595

Multiple Choice

A time- series graph showing total production in Japan from 1960 to 2002 shows a positive trend. It is the case that total production

• A) was higher in 2002 than in 1960.
• B) was lower in 2002 than in 1960.
• C) fell every year between 1960 and 2002.
• D) rose every year between 1960 and 2002.

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Definitions:

Positive Linear Relationship

A direct correlation between two variables in which they both increase or decrease together at a constant rate, as depicted by a positively sloped line on a graph.

Scatter Diagram

A graphical representation of the relationship between two quantitative variables, showing how one variable is affected by changes in the other variable.

Least Squares Method

A statistical technique used to determine the best-fitting line that minimizes the sum of the squared differences between observed and estimated values.

Scatter Diagram

A graphical representation of two variable data points that allows for the visualization of any correlations or patterns between them.