Question: please answer all questions and show work These numbers are the sales of a clothing company for each year are shown in the table below.

please answer all questions and show work

please answer all questions and show work These
These numbers are the sales of a clothing company for each year are shown in the table below. x (year) 2010 2011 2012 2013 y (sales) 13 20 30 37 a) Find the least square regression line y = a x + b. b) Use the least squares regression line as a model to estimate the sales of the company in 2017. Do the math and show all work while explaining the details. In the model answer these or similar questions. Create your model What is the purpose of the model? Test your model What predictions can be made? Conclusions and/or retesting Can the model be improved or is the model valid? Are the predictions valid

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