StatisticsSciPy 1.18 · pandas 3.0 · statsmodels 0.15 · Python 3.12 or 3.13
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Statistical tests quiz

Question 1 of 5

The IQ problem has μ₀ = 100, σ = 15, n = 30 and x̄ = 140. What is z, and what is the decision at α = 0.05?

Getting one wrong here is cheaper than getting it wrong in your own code.