Question: A physician tested the pain threshold for people with different natural hair colors (light blonde, dark blond, light brunette, and dark brunette) using a one-way

A physician tested the pain threshold for people with different natural hair colors (light blonde, dark blond, light brunette, and dark brunette) using a one-way analysis of variance. What is the null hypothesis for this ANOVA test? __. What is the alternative hypothesis? __.

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