You are given the following information about y and x. 
The coefficient of determination equals
Definitions:
Time-series Data
A sequence of data points collected or recorded at successive time intervals, often analyzed to understand patterns, trends, or to predict future values.
Successive Points
Consecutive data points in a sequence, often analyzed in statistical process control to identify trends or shifts in process behavior.
Cross-sectional Data
Data collected from a population or a representative subset at one specific point in time.
Line Chart
A type of chart which displays information as a series of data points connected by straight line segments, often used to visualize trends over time.
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