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I did not quite understand the solution. Why are we considering the ratio? If we look at the table, we can clearly see that the points and turnover are increasing in proportion. Can you please help with this solution?
This is explained in the solution. The ratio is checked because “directly proportional” means the relationship must stay constant for every player. Just seeing both values increase together is not enough; proportionality requires the same multiplier throughout, which the table shows is not the case. I think you mixing "directly proportional" with "positively correlated" in statement 3.
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I like the solution - it’s helpful.
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@bunuel, I am sure you will be right but just wanted to confirm

direct proportional is defined loosely by GMAT in some of the other questions where it says even if they are positively corelated it is fine. what am i missing

There they are saying strongly positive correlation and so we are fine even if it is subjective as to whether it is strong or not

but the moment it says directly proportional then it has to be on constant ratio growth

Please confirm

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@bunuel, I am sure you will be right but just wanted to confirm

direct proportional is defined loosely by GMAT in some of the other questions where it says even if they are positively corelated it is fine. what am i missing

There they are saying strongly positive correlation and so we are fine even if it is subjective as to whether it is strong or not

but the moment it says directly proportional then it has to be on constant ratio growth

Please confirm

@bunuel

Correlation and proportionality are different concepts.

A positive correlation means that the variables generally move in the same direction, while a negative correlation means that they generally move in opposite directions. Neither requires an exact mathematical relationship.

Directly proportional means y = kx, where k is a constant. Inversely proportional means y = k/x, where k is a constant.
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@bunuel, I am sure you will be right but just wanted to confirm

direct proportional is defined loosely by GMAT in some of the other questions where it says even if they are positively corelated it is fine. what am i missing

There they are saying strongly positive correlation and so we are fine even if it is subjective as to whether it is strong or not

but the moment it says directly proportional then it has to be on constant ratio growth

Please confirm

@bunuel

Here is a Direct and Inverse Proportion Concept Video: https://youtu.be/AT86tjxJ-f0
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I like the solution - it’s helpful.
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