Examlex
Which of the following decision schemes might be used when group members vote among proposed alternatives?
Weighted Average
An average where each data point contributes to the final average in proportion to its importance or frequency.
Pooled Sample Variance
An estimate of the variance of two or more populations under the assumption that they have the same variance, calculated by pooling the variances of these samples.
Independent Samples
Two or more groups of samples that are selected from populations such that the selection of a sample does not influence the selection of the other samples.
Point Estimate
A point estimate is a single value approximation of a population parameter based on sample data.
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