Car Weight (in Ibs) Car MPG NOTE: Before we start to do much computational/mathematical work, 3250 28 what is the general relationship we expect to find here between these 3675 23 two variables? 3840 19 3935 20 2140 43 4010 22 2565 34 3450 22 2900 28 3345 25 3545 24 3050 31 2540 34 2410 36 2865 30 3810 22 The values in Column A show the weight in pounds of 16 different cars made in 2017. The numbers in Column B are the corresponding gas mileages for each of the cars. Produce a graph with the regression model and R-squared value for this data set. Then answer the following questions. a. In this model, which variable do we presume is the "dependent" variable and which is "independent".and why? b. What is the regression model/equation? c. What is the associated R-squared value?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.