Almost all of the acidity of soda pop comes from the phosphoric acid which is added to give them a sharper flavor. Is th

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Almost all of the acidity of soda pop comes from the phosphoric
acid which is added to give them a sharper flavor. Is there an
association between the pH of the soda and the amount of phosphoric
acid (in grams)? The correlation between pH and phosphoric acid is
-0.991. Describe the association.
a.
Strong linear association in a positive direction
b.
Very strong linear association in a negative direction
c.
Weak linear association in a negative direction
d.
Weak linear association in a positive direction
e.
No evidence of association