A professor assigned deadlines for papers in one section, and let students in another section set their own deadlines. Which students got the best grades?
a. The students in the section that got to choose their own deadlines
b. The students whose deadlines were all at the end of the semester
c. The students whose deadlines were all near the start of the semester
d. The students whose deadlines were equally spaced through the semester
d
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On a CT scan areas that are highly dense such as the skull will appear _________ and areas that are of lower density such as cerebrospinal fluid and brain matter will appear ____________
a) dark; bright b) clear; fuzzy c) fuzzy; clear d) bright; dark
A theater owner notices that people buy more popcorn on sunny days than rainy days. What has she discovered?
A. There is a relationship between the weather and popcorn sales. B. Sunny days drive an increase in popcorn sales. C. Rainy days drive a decrease in popcorn sales. D. The weather causes increases and decreases in popcorn sales.