Lemma
EasyChi-square tests
OpenStax, Introductory Statistics 2e §11.2 Goodness-of-Fit Test · Try It 4 · Statistics · Chi-square tests

Goodness-of-Fit Test · Try It 4

Students in a social studies class hypothesize that the literacy rates across the world for every region are 82%. shows the actual literacy rates across the world broken down by region. What are the test statistic and the degrees of freedom?

\begin{array}{|c|c|}\hline \text{MDG Region} & \text{Adult Literacy Rate (%)} \\ \hline \text{Developed Regions} & \text{99.0} \\ \hline \text{Commonwealth of Independent States} & \text{99.5} \\ \hline \text{Northern Africa} & \text{67.3} \\ \hline \text{Sub-Saharan Africa} & \text{62.5} \\ \hline \text{Latin America and the Caribbean} & \text{91.0} \\ \hline \text{Eastern Asia} & \text{93.8} \\ \hline \text{Southern Asia} & \text{61.9} \\ \hline \text{South-Eastern Asia} & \text{91.9} \\ \hline \text{Western Asia} & \text{84.5} \\ \hline \text{Oceania} & \text{66.4} \\ \hline\end{array}

Its source prints no answer for this problem, so there's nothing to check against.

~5 minWritten answer · check your work with Lemma

OpenStax, Introductory Statistics 2e · §11.2 Goodness-of-Fit Test · Try It 4

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.