Answer:
children eat more ice cream than adults age
Explanation:
A p e x
The hidden variables for people who eat ice cream have higher rate of drowning are:
C. People eat more ice cream and swim more in warmer climates.
D. Children eat more ice cream than adults.
They are the variables that are not directly seen but are inferred from other observable variables using a mathematical model.
Like here, the relationship between people who eat ice cream and drowning is shown in an indirect way.
Thus, the correct options are C. People eat more ice cream and swim more in warmer climates.
D. Children eat more ice cream than adults.
Learn more about hidden variables
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