Almost All of the Acidity of Soda Pop Comes from the Phosphoric

question 30

Multiple Choice

Almost all of the acidity of soda pop comes from the phosphoric acid which is added to give them a sharper flavor.Is there a relation between the pH of the soda and the amount of phosphoric acid (in grams) ? The pH and phosphoric acid content of 12 ounces of several brands of soda are shown on the following scatterplot.The correlation between pH and phosphoric acid is -0.956.Describe the association.

• A)Strong relation in a negative direction
• B)Weak linear relation in a negative direction
• C)Strong linear relation in a positive direction
• D)Very strong linear relation in a negative direction
• E)No evidence of relation

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