Aspecific factor having a range of possible values is a
a. variable
b. mean
c. median
d. mode

Paleoanthropologists believe that the predominant diet of our earliest omnivorous ancestors consisted mostly of

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.

Which member of the president's cabinet is most likely to negotiate a treaty with a foreign country? secretary of the interior secretary of the treasury secretary of defense secretary of state