A Study Was Undertaken to Assess the Quality of Cheese

Multiple Choice

A study was undertaken to assess the quality of cheese as determined by a panel of taste testers.The tasters rated samples of cheese as being acceptable or not acceptable.Those same samples of cheese were analyzed with respect to several variables,one of which was the untransformed concentration of lactic acid,designated as Lactic.A logistic regression was fitted relating the log odds that the cheese was acceptable to the explanatory variable Lactic.The following partial computer output is provided. What is the meaning of the entry 0.6332 in the above table under Estimate for the variable Lactic?

A) The odds ratio for the acceptability of the cheese is 1.88.
B) A one-unit increase in the variable Lactic results in a change in the odds that the cheese is acceptable by a factor of 0.6332.
C) The odds ratio for the acceptability of the cheese is 0.6332.
D) A one-unit increase in the variable Lactic results in a change in the odds that the cheese is acceptable by a factor of 1.88.
E) Both A and D are correct.