The article Effect of Temperature on the pH of Skim Milk
Chapter 0, Problem 13.25(choose chapter or problem)
The article Effect of Temperature on the pH of Skim Milk (Journal of Dairy Research [1988]: 277 280) reported on a study involving x temperature (C) under specified experimental conditions and y milk pH. The accompanying data (read from a graph) are a representative subset of that which appeared in the article: x 4 4 24 24 25 38 38 40 y 6.85 6.79 6.63 6.65 6.72 6.62 6.57 6.52 x 45 50 55 56 60 67 70 78 y 6.50 6.48 6.42 6.41 6.38 6.34 6.32 6.34 Do these data strongly suggest that there is a negative linear relationship between temperature and pH? State and test the relevant hypotheses using a significance level of .01.
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