Mathematics, 10.06.2021 16:40 taylord4230
Emma is part of a team developing a new water softening agent. After gathering data about the softening agent's concentration in a volume of water over time, Emma recognizes this is an exponential decay situation and uses her computer to develop a model of the curve of best fit. The model of the curve of best fit for Emma's data has a correlation coefficient of r = -0.28. Which statement about Emma's model is true? Predictions made using Emma's model are reliable because r is not positive. Predictions made using Emma's model are reliable because r is closer to 0 than -1. Predictions made using Emma's model are unreliable because r is not positive. Predictions made using Emma's model are unreliable because r is closer to 0 than -1.
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Emma is part of a team developing a new water softening agent. After gathering data about the soften...
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