For two scatter plots to compare the data , Number of days of sunlight (per year) is the independent variable.
What is independent variable?
" Independent variable is the variable that is the cause of change of other given variable. As the name suggest its value does change due to other variable."
According to the question,
As shown in the table,
As the number of days of sunlight varies the height of the trees and amount of the fruit produces varies.
Number of days of sunlight increases height of the trees increases or decreases and amount of the fruit produced increases or decreases.
Number of days of sunlight is the reason to have change in the height of the tree and amount of fruit produced.
Number of days of sunlight (per year) remain constant in both the cases, therefore it is a independent variable.
Hence, Option(A) is the correct answer.
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