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The data in the next table resulted from an experiment that used a completely random design.
Treatment 1 Treatment 2 Treatment 3
3.8 5.4 1.3
1.2 2.0 0.7
4.1 4.8 2.2
5.5 3.8
2.3
a) Complete the following ANOVA table:
SOURCE df SS MS F
Treatments
Error
Total____________________________________________________________
b) Test the null hypothesis that u1 = u2 = u3, where ui represents the true mean for treament i, against the alternative that at least two of the means differ. Use = ? = .01.
For each of the following, indicate whether the type of probability involved is an example of a priori probability, empirical probability, or subjective probability.
Recognize strategies that were utilized to control for nuisance variables and minimize threats to valid inference making.
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The standard deviation of the time to complete the entire homework assignment
A study of 36 members of the Central Park Walkers showed that they could walk at an average rate of 2.6 miles per hour. The sample standard deviation is 0.4. Find the 95% confidence interval for the mean for all walkers.
For which of given variables must a "two tail" t-test be applied?
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Using symbols mention null hypothesis and alternative hypothesis.
Why is estimating a multiple regression model just as easy as bivariate regression?
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