A newspaper reports that, on average, people have more than 8 jobs in their career.

A newspaper reports that, on average, people have more than 8 jobs in their career. Test whether you agree with this statement using the data attached which is based on a random sample of 27 retirees.

a) Conduct an hypothesis test. Briefly explain your choice for the level of significance. Show all steps, including clearly stating the hypotheses, any assumptions, calculations, conclusion, reasoning and final answer in a sentence.