Chapter 13: Q. 9 (page 547)
In this problem, consider an F-curve with .
Identify the degrees of freedom for the denominator.
Short Answer
The degree of freedom for the denominator is
Chapter 13: Q. 9 (page 547)
In this problem, consider an F-curve with .
Identify the degrees of freedom for the denominator.
The degree of freedom for the denominator is
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Get started for freeThe data from independent simple random samples from several populations are given.
a. Compute SST, SSTR, and SSE by using the computing formulas.
b. Compare your results in part (a) for SSTR and SSE with those you obtained in Exercises , where you employed the defining formulas,
c. Construct a one-way ANOVA table.
d. Decide, at the 5% significance level, whether the data provide sufficient evidence to conclude that the means of the populations from which the samples were drawn are not all the same.
SAMPLE 1 | SAMPLE 2 | SAMPLE 13 |
8 | 2 | 4 |
4 | 1 | 3 |
6 | 3 | 6 |
3 |
Sample 1 | Sample 2 | Sample 3 | Sample 4 |
7 | 5 | 6 | 3 |
4 | 9 | 7 | 7 |
5 | 4 | 5 | 7 |
4 | 4 | 4 | |
8 | 4 |
Explain the reason for the word variance in the phrase analysis of variance.
SAMPLE 1 | SAMPLE 2 | SAMPLE 3 |
1 | 10 | 4 |
9 | 4 | 16 |
8 | 10 | |
6 | ||
2 |
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