The article The Selection of Yeast Strains for the Production of Premium Quality South African Brandy Base
Question:
a. Construct a scatterplot of acid concentration versus ester concentration. Indicate the outlier.
b. Compute the coefficients of the least-squares line for predicting acid level (y) from ester level (x), along with their estimated standard deviations.
c. Compute the P-value of the test of the null hypothesis H0 : β1 = 0.
d. Delete the outlier, and recompute the coefficients of the least-squares line, along with their estimated standard deviations.
e. Compute the P-value of the test of the null hypothesis H0 : β1 = 0 for the data with the outlier deleted.
f. Does a linear model appear to be useful for predicting acid concentration from ester concentration? Explain.
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a y 457270059 87555863x b y 504001756 1165271152 ln x c ln y 5258333 0799002 ln x d The residua...View the full answer
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Jehal Shah
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