Question: Consider the data from Problem 15 in Chapter 5. The dependent variable of interest is LN_BPNTL. Use = .05. a. Conduct a one-way ANOVA,

Consider the data from Problem 15 in Chapter 5. The dependent variable of interest is LN_BPNTL. Use α = .05.
a. Conduct a one-way ANOVA, with dosage level (PPM_TOLU) as a categorical predictor.
b. Using the Bonferroni technique, compute all pairwise comparisons.
c. Repeat part (b) using the Tukey-Kramer method.
d. Repeat part (b) using Scheffe's method.
e. The ANOVA overall test corresponds to fitting a polynomial model of order k. What is k?
f. Examine the ANOVA assumptions by computing the estimates of the within-cell variances. Provide frequency histograms for each cell to aid in this examination.

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a Source df SS MS F PPMTOLU 3 189611 63204 1663263 Error 56 2113 0038 Total 59 191724 b Since therea... View full answer

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