This is my own made up problem. i just want to learn which, Ask an Expert

Statistics

This is my own made up problem. I just want to learn which test would I use t,z, or Chi and HOW do I go about doing it.

Population 1: Kindergartners (N=10) who went to preschool (Research)

Population 2: Kindergartners(N=20) in general. (Null)

Research Hypothesis: Those who went to preschool will adapt faster.

Null Hypothesis: Those who went to preschool will not adapt faster.

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