ANOVA, regression and hypothesis testing
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1. If the sample size is 36 with three treatment means (response variables) and you are performing an ANOVA, then the degrees of freedom for the error term will be:
2. If the least squares equation for sales data is the following: Y = 10 + 1.3 X (in $ millions) what are the sales when X = 10 (in millions of dollars)?
3.A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used. The null hypothesis is not rejected if the computed t is:
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Solution Summary
Step by step method for testing the hypothesis under 5 step approach is discussed here.
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Statistics for ANOVA, df
1. If the sample size is 36 with three treatment means (response variables) and you are performing an ANOVA, then the degrees of freedom for the error term will be:
Answer
Degree of freedom of ...
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