Distinguish between unpooled variance and pooled variance. What are the assumptions of each? How do you determine which is appropriate?© BrainMass Inc. brainmass.com July 21, 2018, 3:42 am ad1c9bdddf
Many times, data are collected for a dependent variable, over a range of values for
the independent variable. For example, the observation of fuel consumption might be
studied as a function of engine speed ...
The solution compares pooled and unpooled variances.