Because sample variances are computed by dividing SS by n – 1, the average value of the sample variances from all possible random samples consistently _____ the population variance. underestimate overestimate equal Impossible to determine Which statement below is consistent with computing a weighted average of two individual samples? A computed weighted average will always be closer to the mean average of the larger sample than the mean average of the smaller sample. A computed weighted average will always be closer to the mean average of the smaller sample than the mean average of the larger sample.
Because sample variances are computed by dividing SS by n – 1, the average value of the sample variances from all possible random samples consistently _____ the population variance. underestimate overestimate equal Impossible to determine Which statement below is consistent with computing a weighted average of two individual samples? A computed weighted average will always be closer to the mean average of the larger sample than the mean average of the smaller sample. A computed weighted average will always be closer to the mean average of the smaller sample than the mean average of the larger sample.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Because sample variances are computed by dividing SS by n – 1, the average value of the sample variances from all possible random samples consistently _____ the population variance.
underestimate
overestimate
equal
Impossible to determine
Which statement below is consistent with computing a weighted average of two individual samples?
A computed weighted average will always be closer to the mean average of the larger sample than the mean average of the smaller sample.
A computed weighted average will always be closer to the mean average of the smaller sample than the mean average of the larger sample.
A weighted average will always equal the average of the two individual sample means.
This cannot be determined from the information provided.
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