According to surveys conducted in the United States, almost __________ of people 65 years old and older rate their health as good, very good, or excellent

In the past, people with large head circumferences were viewed as intelligent, and people with smaller head circumferences were considered less intelligent. This is an example of a(n) ___________ correlation

a. negative c. pessimistic b. positive d. optimistic

A researcher used a sample of n = 50 individuals to determine whether they are any preferences between two new designs for a smart phone. If the data produce a chi-square statistic of ?2 = 6.00 what decision should the researcher make?

a. There is a significant preference at both? = .05 and? = .01. b. There is a significant preference at? = .05 but not at? = .01. c. There is no significant preference ateither ? = .05 or ? = .01. d. There is no significant preference at? = .05 but there is at? = .01.