Average salary for a sample of first-year teachers in the United States ecting the correct difference test
Figure 16.5.

- Exercises 16.31-16.38, select the appropriate statistical technique from among those
were getting married for the first time. From wedding announcements in local papers
16.32A demographer was curious if an age difference existed between men and women who
marriage for both the bride and the groom. From the announcements, he obtained their ages
throughout the United States, he randomly sampled 250 couples for whom it was the first
What statistical test should he use to compare the ages of husbands and wives?
16.34 Students often gain a few pounds when they move away to college and start eating
before Thanksgiving, on their return to school in January, and at the end of the second
institutional food. A nutritionist weighed first-year students at the start of the semester, ri
semester. What statistical test should he use to see if their mean weight changes over ti
16.36A dentist wanted to examine if milk consumption as a child had an impact on the
for dentures by age 50. He classified his patients as having consumed a lot of milk as
(yes vs. no) and as to whether they wore dentures by age 50 (yes vs. no). What statis
should he use to determine this?
16.38A textbook publisher calculated the percentage of deadlines met by each of
It then classified the authors as having made money for the company, broken eve
money for the company. What statistical test should the company use to see if th
of authors differ in the degree to which they met their deadlines.
g the right relationship test
the annronrigte statistical technique from among