To what extent are sales people more extroverted than the general population? To help find out, Alice collects a sample of 25 sales people Each completes a scale of extroversion (from 1-7) with the following national norms: μ = 3.79, o = 1.55. Alice decides to use the NHST approach with the null hypothesis of no difference from the national norm (HO: µ salespeople = 3.79). Given a = .05, which of the following that would indicate a statistically significant finding.

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