100) The portion of the universe that has been selected for analysis is called
A) a sample.
B) a frame.
C) a primary data source.
D) a secondary data source.
101) Which of the following is most likely a population as opposed to a sample?
A) respondents to a newspaper survey
B) the first 5 students completing an assignment
C) every third person to arrive at the bank
D) registered voters in a county
102) A study is under way in Yosemite National Forest to determine the adult height of American pine trees. Specifically, the study is attempting to determine what factors aid a tree in reaching heights greater than 60 feet tall. It is estimated that the forest contains 25,000 adult American pines. The study involves collecting heights from 250 randomly selected adult American pine trees and analyzing the results. Identify the population from which the study was sampled.
A) the 250 randomly selected adult American pine trees
B) the 25,000 adult American pine trees in the forest
C) all the adult American pine trees taller than 60 feet
D) all American pine trees, of any age, in the forest
103) A study is under way in Yosemite National Forest to determine the adult height of American pine trees. Specifically, the study is attempting to determine what factors aid a tree in reaching heights greater than 60 feet tall. It is estimated that the forest contains 25,000 adult American pines. The study involves collecting heights from 250 randomly selected adult American pine trees and analyzing the results. Identify the sample in the study.
A) the 250 randomly selected adult American pine trees
B) the 25,000 adult American pine trees in the forest
C) all the adult American pine trees taller than 60 feet
D) all American pine trees, of any age, in the forest
104) 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 first-year students at Drummand. To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $600 per semester. Identify the population of interest to the researcher.
A) all Drummand University students
B) all college students
C) all first-year Drummand University students
D) the 250 students that were monitored
105) 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 first-year students at Drummand. To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $600 per semester. Identify the sample in the study.
A) all Drummand University students
B) all college students
C) all first-year Drummand University students
D) the 250 students that were monitored
106) 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 term. He found that the average number of semester units completed was 12.96 units per student. Identify the population of interest to the researcher.
A) all Calendula College students
B) all college students
C) all Calendula College students enrolled in the spring
D) all college students enrolled in the spring
107) The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a Blu-ray player made by the company over the past 12 months are satisfied with their products. The population of interest is
A) all the customers who have bought a Blu-ray player made by the company over the past 12 months.
B) all the customers who have bought a Blu-ray player made by the company and brought it in for repair over the past 12 months.
C) all the customers who have used a Blu-ray player over the past 12 months.
D) all the customers who have ever bought a Blu-ray player made by the company.