a researcher studied the relationship between the numbers of times a certain species of cricket will chirp in one minute and the temperature outside her data is expressed in the scatter plot and line of best fit below what does the point 118, 84.1 represent​

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The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

What is always true when two whole numbers are subtracted?