Construction of confidence interval for sample mean

Reference no: EM13108565

Assume we perform the ANOVA test of four treatment means and reject null hypothesis. Construction of confidence interval for difference between first and second sample mean revealed interval to be 10 plus or minus 12. We conclude

A. This pair of means vary
B. This pair of means does not vary
C. Because we don't know the units involved, we can't draw any conclusion
D. Because we don't know the degrees of freedom, we can't draw any conclusion

Reference no: EM13108565

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