We need to refer to the population distribution of all college statistics textbook prices.
Step-by-step explanation:
From the given information;
We are being given the sample size and the mean that has already been computed. Thus, to determine the probability of a more extreme mean, we need the t-test statistics value. In this case, we will need the sample mean, thus we need to refer to the population distribution of all college statistics textbook prices.
Student loans must be repaid; grants are given usually without those types of restrictions; and student work involves a student having an on-campus job.