The correlation calculation only works well for relationships that follow a straight line.
Therefore in this case, the trend is not linear.So there is no correlation.
let's say the bill without the tip is "x" amount, so that'd be the 100% of the bill, but we also know that 4.50 is the 18% of "x".
so if 4.50 is the 18% of "x", how much is "x"?
Answer:b
Step-by-step explanation: