The data of Exercise 13.25, in which x 5 milk temperature and y 5 milk pH, yield
Question:
The data of Exercise 13.25, in which x 5 milk temperature and y 5 milk pH, yield n 5 16 x 5 42.375 Sxx 5 7325.75 b 5 2.00730608 a 5 6.843345 se 5 .0356
a. Obtain a 95% confidence interval for a 1 b(40), the mean milk pH when the milk temperature is 408C.
b. Calculate a 99% confidence interval for the mean milk pH when the milk temperature is 358C.
c. Would you recommend using the data to calculate a 95% confidence interval for the mean pH when the temperature is 908C? Why or why not?
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Related Book For 
Statistics The Exploration And Analysis Of Data
ISBN: 9781133171744
007th Edition
Authors: Roxy Peck, Ay L Devore
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