jnsoccerboy7260
27.01.2021 •
Mathematics
The population of a city is modeled by the equation P(t)=256,842e^0.25t where t is measured in years. If the city continues to grow at this rate, how many years will it take for the population to reach one million? Round your answer to the nearest year.
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Ответ:
-0.91
Step-by-step explanation:
A linear relationship is said to be strong if the points on graph are close to a straight line ( correlation coefficient is nearest to 1) and weak if they widely scattered about the line ( correlation coefficient is nearest to -1) .
From the given graph it appeaser to be a strong negative correlation as the points are moving downwards diagonally close to a line which shows if one variable increases , the other decreases.
It means the correlation coefficient must be the nearest value to -1, i.e. -0.91.
Thus, the correlation coefficient most likely for the set of data shown =-0.91