Assume That the Conclusion from an ANOVA Is That the Null

question 34

Multiple Choice

Assume that the conclusion from an ANOVA is that the null hypothesis is rejected, in other words that the 7 population means are not all equal. We should expect that

• A) all 21 of the comparisons of means versus would be significant using the Scheffe test.
• B) at least 7 of the comparisons of means versus would be significant using the Scheffe test.
• C) at least 4 of the comparisons of means versus would be significant using the Scheffe test.
• D) at least 1 of the comparisons of means versus would be significant using the Scheffe test.

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Definitions:

Standard Error

A statistical measure that shows the precision of a sample's mean estimate of a population mean.

Sampling Variability

The variability of sample statistics over different samples of the same size from the same population, due to chance.

SRS

Simple Random Sampling (SRS) is a method of selecting individuals from a population in such a way that every set of individuals has an equal chance of being chosen.

Sample Size

The number of observations or data points that constitute a sample drawn from a population for statistical analysis.