Hypothesis testing for correlation

I’ve recently started teaching statistics and have the pleasure of teaching both Year 1 and Year 2 side by side.

As I was searching around for a homework to set my Year 13 class, I was inspired to go hunting for some correlated data and this worksheet is what I produced.

Hypothesis testing for correlation12

Please feel free to let me know if you spot any errors in either the worksheet or the solutions.

Disclaimer: I am not a statistician, so please do tell me if I have made any serious errors!