Based upon simple random sampling of 100 college students, the mean GPA was 2.3 with a standard error of 0.3 . We are 68% confident that the population parameter is
a. between 1.4 and 2.6
b. between 1.7 and 2.9
c. 2.3
d. between 2.0 and 2.6
e. less than 1.4
D
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A prediction that reasonably follows from a theory is called:
A) hypothesis B) principle C )informed guess D) proposition
As a percentage of GDP, the U.S. outspends all countries on earth in military spending
Indicate whether the statement is true or false
In 1990, the United Nations Development Program introduced the Human Development Index (HDI), establishing three new criteria—in addition to gross domestic product (GDP)—for measuring the level of development in a country: life expectancy, living standards, and education
a. True b. False Indicate whether the statement is true or false
In 2013, about what share of the U.S. population was officially counted as poor?
a. 1.5 percent b. 14.5 percent c. 34.5 percent d. 54.5 percent