Question: The data shown below present the average number of surviving bacteria in a canned food product and the minutes of exposure to 300 F

The data shown below present the average number of surviving bacteria in a canned food product and the minutes of exposure to 300 ° F heat.

Number of Bacteria Minutes of Exposure 175 1 108 2 95 3 82 4 71 5 50 6 49 7 31 8 28 9 17 10 16 11 11 12

a. Plot a scatter diagram. Does it seem likely that a straight - line model will be adequate?

b. Fit the straight - line model. Compute the summary statistics and the residual plots. What are your conclusions regarding model adequacy?

c. Identify an appropriate transformed model for these data. Fit this model to the data and conduct the usual tests of model adequacy.

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