For the following data set,

a) specify your null and alternative hypotheses,

b) note your df and critical value of ² for =.05

c) state your expected frequencies

d) calculate ² and note if it's significant

e) comment on whether we have met the assumptions and restrictions associated with ²

Data from the Department of Motor Vehicles indicate that 80% of drivers are over 25.

In a sample of n = 50 individuals receiving speeding tickets, 33 were older than 25. Is

the age distribution in the sample significantly different from the population

distribution of licensed drivers?