Using the thermodynamic data provided below, determine the temperature in °C at which the decomposition of solid calcium carbonate to form solid calcium oxide and oxygen becomes spontaneous. 
Definitions:
Cumulative Percent
A statistical calculation that shows the percentage total of observations that fall below or at a specific value when data is arranged in ascending order.
Statistics Students
Individuals engaged in the study of collecting, analyzing, interpreting, and presenting empirical data.
Hours Worked
The total number of hours spent working by an individual or group within a specific period, such as a day or week.
Side-By-Side Bar Chart
A graphical display for depicting multiple bar charts on the same display.
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