Answer:
So you pretty much just solved your math by yourself :)
Step-by-step explanation:
Say the tip is 11% of the bill. That's 0.11 times the amount of the bill.
Let b = amount of the total bill
Let T = amount of the tip
An equation that describes the situation is
T(b) = 0.11b,
where T is the amount of the tip and b is the amount of the bill.
This equation represents a function. It determines T as a function of b (because the equation is solved for T, and only b appears on the right side).
The given study is observational study
To gauge how strongly two variables are related to one another, correlation coefficients are used.
A statistical indicator of the strength of the association between the relative movements of two variables is the correlation coefficient. The values are in the -1.0 to 1.0 range. There was a measurement error in the correlation if the estimated value was larger than 1.0 or lower than -1.0. Perfect negative correlation is shown by a correlation of -1.0, and perfect positive correlation is shown by a correlation of 1.0. A correlation of 0.0 indicates that there is no linear link between the two variables' movements. Finance and investing can benefit from the usage of correlation statistics.
To know more about statistic indicator
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The surface of the ocean is 0 meters.
Because the fish is below the surface it would be a negative number. ( it is less than 0)
The elevation of the fish would be -12 meters.