If one container holds 55 balls, how many balls will nine containers hold?
2 answers:
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Answer: There is a strong association between age and weight.
Step-by-step explanation:
The correlation coefficient (r) is used to describe the relationship between two variables.
If r lies between -1 to -0.5 or 0.5 to 1, then there is strong association between them.
Here, Variables: Age and weight.
correlation coefficient = 0.512
That means, there is a strong association between age and weight.
Both the numerator and denominator can be divided by three, so the simplest form is 
.