Among the figures responsible for raising environmental awareness were all except:
a. Theodore Roosevelt
b. John D. Rockefeller
c. Henry David Thoreau
d. Herman Melville
b
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You wish to survey the interests of students in your statistics class. You enter the names of all students onto an Excel spreadsheet. You then use a computer program to generate a list of random names. This is called:
A) computerized selection B) haphazard selection C) sampling selection D) random selection
A common way to handle missing data when there are only a few missing values and the pattern seems more or less random is to:
A) substitute the mode of everyone else's score on that variable for each missing value B) substitute the mean of everyone else's score on that variable for each missing value C) delete the individual from the database D) delete that particular variable from the database
With the ANOVA test, the ___ the difference between categories, relative to the differences within, the ___ likely that the null hypothesis will be rejected
a. smaller, more b. greater, more c. smaller, less d. b & c are both correct
The United States has a level of functional literacy that
a. lags behind most other industrial countries. b. is above most other industrial countries. c. is equal to that of most other industrial countries. d. is not internationally comparable.