The production of wine is a multi-billion-dollar worldwide industry. in an attempt to develop a model of wine quality as judged by wine experts, data was collected from red wine variants from a particular type of foreign wine. a multiple linear regression model was developed from a sample of 40 wines. the model was used to predict wine quality, measured on a scale from 0 (very bad) to 10 (excellent) based on the alcohol content (%) and the amount of chlorides. for the model, the ssr was 21.833 and the sse was 32.583. complete parts (a) through (d) below.

You receive a memo from the vice president of procurement responding to your query. he writes: “it will be very important to maintain product continuity. we have a large base of devoted customers. we want to make sure that the quality and key characteristics of island knight stay the same through this transition. talk to frank, our consulting professional perfumer, for more information about the cologne. seasonal variations in costs are the single most significant factor in our deciding to go with another supplier, so finding a way to limit that should be the top priority. the overall marginal costs and shipping costs are probably somewhat less significant. you may want to talk to cindy, the product manager for island knight, regarding pricing information about the product.” what is the best action to take next?