What type of person is most involved in the neighborhood and community? Who is more likely to volunteer for organizations such as PTA, scouts, or Little League? A random sample of 15 people have been asked for their number of memberships in community voluntary organizations and some other information. Which differences are significant?

a. Membership by education:

Less Than High High School School College 010 133 234 344 454

b. Membership by length of residence in present community:

Less Than 2–5 More Than 2 Years Years 5 Years 001 1 2 3 333 444 454

c. Membership by extent of television watching:

Little or None Moderate High 034 034 134 134 245

d. Membership by number of children:

None One Child More Than One Child 020 133 144 344 345