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1.
Most analysts focus on the cost of tuition as the way to measure the cost of a college
education. But incidentals, such as textbook costs, are rarely considered. A researcher at
Drummand University wishes to estimate the textbook costs of firstyear students at
Drummand. To do so, she monitored the textbook costs of 250 firstyear students and found
that their average textbook costs were $300 per semester. Identify the sample in the study.
a)
all Drummand University students
b)
all college students
c)
all firstyear Drummand University students
d)
the 250 students that were monitored
ANSWER:
d
TYPE: MC
DIFFICULTY: Easy
KEYWORDS: population, sample
2.
Researchers suspect that the average number of units earned per semester by college
students is rising. A researcher at Calendula College wishes to estimate the number of units
earned by students during the spring semester at Calendula. To do so, he randomly selects
100 student transcripts and records the number of units each student earned in the spring
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This note was uploaded on 02/14/2011 for the course ECON 100 taught by Professor Mmm during the Spring '11 term at Allen University.
 Spring '11
 mmm

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