# EBook Problems Infer 2Means Dep

### From Socr

## EBook Problems Set - Inferences About Two Means: Dependent Samples Problems

### Problem 1

If we want to estimate the mean difference in scores on a pre-test and post-test for a sample of students, how should we proceed?

*(a) We should calculate a z or a t statistic.*

*(b) We should collect one sample, two samples, or conduct a paired data procedure.*

*(c) We should construct a confidence interval or conduct a hypothesis test.*

Answer

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