A simple random sample of 150 people was taken to investigate whether there is a link between smoking status and having had a tertiary education. Test at the 5% level of significance. $$\begin{array} { | l | l | l | }
\hline & \text { Non-smoker } & \text { Smoker } \
\hline \text { None-tertiary educated } & 42 & 28 \
\hline \text { Tertiary educated } & 23 & 57 \
\hline
\end{array}$$

Question

A simple random sample of 150 people was taken to investigate whether there is a link between smoking status and having had a tertiary education. Test at the 5% level of significance. $$\begin{array} { | l | l | l | } 
\hline & \text { Non-smoker } & \text { Smoker } \
\hline \text { None-tertiary educated } & 42 & 28 \
\hline \text { Tertiary educated } & 23 & 57 \
\hline
\end{array}$$

Quizplus · Accepted Answer

The Answer of A simple random sample of 150 people was taken to investigate whether there is a link between smoking status and having had a tertiary education. Test at the 5% level of significance. $$\begin{array} { | l | l | l | } 
\hline & \text { Non-smoker } & \text { Smoker } \
\hline \text { None-tertiary educated } & 42 & 28 \
\hline \text { Tertiary educated } & 23 & 57 \
\hline
\end{array}$$

A Simple Random Sample of 150 People Was Taken to Investigate