A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data are used for a chi-square test for independence, what is the total number of females for the expected frequencies?
a. 32 c. 48
b. 20 d. 80
D
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Which of the following does NOT characterize the mood state known as anxiety?
a. Increased heart rate b. Physical tension c. euphoric mood d. Subjective sense of unease
When something is said to be "empirical," it is based on:
theories. facts. inferences. opinions.
Genes produce proteins indirectly via:
a. DNA replication b. Sense RNA c. Sense DNA d. RNA
In LaPiere's classic study, a young Chinese couple traveled across the U.S.A. and reported being treated courteously at virtually every restaurant and hotel. A follow-up survey asking for attitudes toward Chinese travelers found that ________
A) the level of service was highly correlated with the attitudes expressed on the survey B) the ethnicity of other travelers was highly influential in determining survey responses from managers of hotels and restaurants C) social norms generally accounted for the positive attitudes expressed on the survey D) most restaurant and hotel managers responded that they would refuse service to Chinese travelers E) the researchers had mistakenly surveyed only establishments the couple had not visited