The price (in dollars) is given for some foods at Target and at Whole Foods. Assume the price at Target is the predictor. (Source: StatCrunch:

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The price (in dollars) is given for some foods at Target and at Whole Foods. Assume the price at Target is the predictor. (Source: StatCrunch: organic food price comparison fall 2011. Owner: kerrypaulson)

The price (in dollars) is given for some foods at

a. Make a graph and report whether the trend is linear. If the trend is not linear, comment on what it shows, and do not go on to subsequent parts.
b. If the graph is linear, find the equation of the best-fit line, and put the line into the graph.
c. Interpret the slope in context.
d. Either interpret the intercept or explain why it is not appropriate to do so.

Food bananas/1 Ib grape tomato russet potato red potato yellow onion red tomato kiwi cach green grapes red grapes raspberries/.5 Ib strawberries/1 lb gala apples romaine lettuce cauliflower broccoli celery/1 lb celery hearts green onion baby carrots/2 lb baby carrots/1 lb stick carrots romaine/5 oz baby spring mix herb salad spinach green pepper cucurnber can black bean Cascadian cereal nature crackers Target Whole 0.79 4.49 4.49 1.56 4.94 4.99 0.69 2.50 2.50 3.09 3.04 1.50 3.29 3.99 3.04 2.19 2.29 1.99 3.09 1.64 1.90 3.99 3.99 4.19 4.19 1.89 2.04 1.79 3.29 2.99 0.99 3.99 4.99 2.00 1.99 3.99 0.79 3.69 2.99 3.99 6.99 2.49 3.50 2.99 2.99 1.99 2.99 0.99 3.99 1.99 0.99 3.99 3.99 3.99 3.99 3.49 2.99 2.19 4.99 3.39

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