Question

Regarding inferences about the difference between two population means, the sampling design that uses a pooled sample variance in cases of equal population standard deviations is based on:_________

Answer 1

independent samples.

Step-by-step explanation:

• independent samples are randomly selected models so that its findings do not depend on the values ​​of other observations. Many statistical analyzes rely on the assumption that the models are independent. Others are designed to estimate models that are not independent.
• There are so many independent models that its choices can be randomly selected without relying on the evidence of other observations.