Question

You have been asked to find if there is a correlation between the amount of calories per serving in a bowl of cereal versus the amount of sugar (in grams) in the cereal.  The following data has been given for examination.

Sugar Calories
18 200
23 210
12 170
12 190
37 220
19 175
23 201
22 210
32 210
11 190
11 197
29 205


d.    Predict if a box of cereal has 25 grams of sugar per serving how many calories it will contain. 
e.    Predict if a box of cereal has 230 calories per serving how much sugar (in grams) it will contain. 
f.    Discuss any lurking variables could be relevant to analysis of this data set. 

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