Chi square may not be used when comparing two or more samples

Mrs. Beal's daughter, Ollie, wants to attend college. Ollie's family lives in Boston in the 1800s. Most people in Ollie's neighborhood feel that Ollie should

a. attend college because women are considered intellectually superior to men. b. attend college and become a lawyer. c. not attend college because she lacks scientific superiority. d. not attend college because it would spoil her femininity

Which of the following is the best example of the observational method?

a. Chris puts a glass to the wall so that he can hear his parents argue. b. Elaine parks her car near a traffic light and records how many drivers run red lights. c. Gary stops people on the street to ask them how they voted in the last election. d. Twyla videotapes her sister's wedding, focusing on sentimental and silly moments.