I need a simple 3 part answer

'_ 6.4.2. Discuss: The Latest Model 1A or -_'""__-'__._____________ The Latest Model 1. in analyzing statistical data, which do you think is more likely: a correlation .. coefcient of 0.9 or a correlation coefficient of 1.0? Explain. 2. imagine that you have plotted many data points on an xyplane. Your points .seem to align Into a clear best-fit line. Do you think this best-fit line can help -' you make predictions about future data? Explain your answer, and give one or more examples to support it. 3. You're studying how well students remember vocabulary after they stop 'lr studying a new language. The rst student you study remembers 95% of the French words she learned 3 months later, but only 70% of the words 12 months later. Before studying more students, you wonder: Is a decreasing linear model or an exponential decay model likely to be a better t for data about remembering? Decide which model you think will be better. Explain your reasoning. 4D