Statistics · INF
Hypothesis Test for a Mean — One-Sample t-Test
t = (x̄ − μ₀) / (s/√n). Compare |t| to t* (or p-value to α). Reject H₀ if p-value < α.
StatisticsCommon Core VAR-6.EINFVerified correct ✓
Worked examples
A sample of n = 16 gives x̄ = 84.5 and s = 10. The null hypothesis is H₀: μ = 77. Compute the t-test statistic.
Answer: 3
A sample of n = 64 gives x̄ = 82.88 and s = 10. The null hypothesis is H₀: μ = 86. Compute the t-test statistic.
Answer: -2.496
Every problem on Pounce is generated and checked by code — never a wrong answer key.
Master Hypothesis Test for a Mean — One-Sample t-Test
Code-verified problems at exactly the right level, explained the way your kid learns.
Start your free trial 🐾