SOC Are senior citizens who live in retirement communities more socially active than those who live in age-integrated communities? Write a sentence or two explaining the results of these tests.

(HINT: Remember to use the proper formulas for small sample sizes.)

a. A random sample of senior citizens living in a retirement village reported that they had an average of 1.42 face-to-face interactions per day with their neighbors. A random sample of those living in age-integrated communities reported 1.58 interactions. Is the difference signifi cant?

b. Senior citizens living in the retirement village reported that they had 7.43 telephone calls with friends and relatives each week whereas those in the age-integrated communities reported 5.50 calls. Is the difference signifi cant?