A t test for a single sample would be used to compare
A) the level of honesty in politicians with the level of honesty in students.
B) the level of reading comprehension of students at the beginning and at the end of a speed-reading class.
C) the hours spent studying each week by freshmen and seniors.
D) the hours that C average students spend on Facebook each week compared with students in general.
Question 2
If a student who wants to study alcohol use at a high school obtains a complete list of the students and has a blindfolded person select as many people as needed for the study, the student is conducting
A) random selection.
B) haphazard selection.
C) specified selection.
D) quota selection.
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(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
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