15.6 Exercises

15.6.1 Student cost of living

The University of Glasgow SRC would like information on the cost of living of full-time students enrolled at the University. Go through each of the terms defined in the notes above and consider what they are in this context, from element to sample statistic.

15.6.2 US presidential election 1936

The Literary Digest was a magazine which surveyed 10 million people, beginning with its own readers, who they planned to vote for in the 1936 US presidential election. A massive 2.4 million people responded, leading to the prediction of a clear win for the candidate Alf Landon. In fact, Franklin Delano Roosevelt had a landslide victory. What went wrong?

15.6.3 The parable of the sower

Revisit the notes on this example of a randomised block design and consider how you would allocate the different varieties of barley to the field.

15.6.4 Mururoa

Use the rp.mururoa function in the rpanel package to consider how to generate sampling positions in the Mururoa example. Once you have made your decision, click on the Take sample button to produce an estimate of the radiation map.

15.6.5 A Scottish firth

Use the rp.firth function in the rpanel package to consider how to generate sampling positions in the Scottish firth example. Once you have made your decision, click on the Take sample button to produce an estimate of the radioactive particles map.