1. For each of the following, (a) say which two populations are being compared, (b) state the null hypothesis in words, (c) state the alternative hypothesis in words, (d) state whether it seems like the researcher will conduct a one or two-tailed test?

a. Do Canadian children whose parents are librarians score higher than Canadian children in general on reading ability?

Answers to parts:

a.

b.

c.

d.

b. Is the level of income for residents of a particular city different from the level of income for people in the region?

Answers to parts:

a.

b.

c.

d.

c. Do people who have experienced an earthquake have more or less self-confidence than the general population?

Answers to parts:

a.

b.

c.

d.