Under which conditions would your run a t-test?
A. When the independent variable is continuous and the dependent variable is discrete
B. On variables that are only discrete
C. On variables that are only continuous
D. When the independent variable is discrete and the dependent is continuous
Ans: D. When the independent variable is discrete and the dependent is continuous
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The IMMEDIATE ancestors of humans (genus Homo) were the:
A. chimpanzees B. australopithecines C. prosimians D. gibbons
Which of the following is a fossil?
a. An insect encased in 10-million-year-old tree sap b. A woolly mammoth frozen in Arctic permafrost for the last 50,000 years c. Mineral-hardened remains of a whale-like animal found in an Egyptian desert d. An impression of a plant leaf in a rock e. All of these could be considered fossils
The activation energy of a reaction refers to the
minimum amount of energy a. released by the reaction. b. in the reactants. c. in the products. d. necessary to cause it to proceed on its own. e. difference between the energy of the reactants and the energy of the products.
Which of the following is considered part of the indigenous microbiota of the female reproductive system?
A) Candida B) Lactobacillus C) E. coli D) Bacteroides E) both Candida and Lactobacillus