Question: A partially completed ANOVA table for a completely randomized design is shown here: a. Complete the ANOVA table. b. How many treatments are involved in

A partially completed ANOVA table for a completely randomized design is shown here:

a. Complete the ANOVA table.
b. How many treatments are involved in the experiment?
c. What is the total sample size, n, for the experiment?
d. Use a random number generator to randomly assign each experimental unit to one of the treatments. Assume the sample size will be the same for each treatment.
e. Do the data provide sufficient evidence to indicate a difference among the population means? Test using a = .10.
f. Find the approximate observed significance level for the test in part c and interpret it.
g. Suppose that 1 = 3.7 and 2 = 4.1. Do the data provide sufficient evidence to indicate a difference between µ1, and µ2? Assume that there are six observations for each treatment. Test using a = .10.
h. Refer to part g. Find a 90% confidence interval for (µ1 - µ2). [Use s = ˆšMSE as an estimate of both Ïƒ1 and Ïƒ2.]
i. Refer to part g. Find a 90% confidence interval for fix. [Use s = ˆšMSE as an estimate of Ïƒ1]

Source df SS 17.5 46.5 MS Trea tments 6 Error Total 41

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