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7467 Words May 1st, 2014 30 Pages
Ch. 1 Data Collection
1.1 Introduction to the Practice of Statistics
1 Define statistics and statistical thinking.
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
1) What is statistics?
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
2) Which of the following is not true of statistics?
A) Statistics is used to answer questions with 100% certainty.
B) Statistics involves collecting and summarizing data.
C) Statistics can be used to organize and analyze information.
D) Statistics is used to draw conclusions using data.
2 Explain the process of statistics.
MULTIPLE CHOICE. Choose the one alternative
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University administrators are interested in determining the average parking time (e.g. the time it takes a student to find a parking spot) of its students. An administrator inconspicuously followed 180 students and carefully recorded their parking times. Identify the sample of interest to the university administration.
A) parking times of the 180 students
B) parking time of a student
C) location of the parking spot
D) type of car (import or domestic)
14) The legal profession conducted a study to determine the percentage of cardiologists who had been sued for malpractice in the last three years. The sample was randomly chosen from a national directory of doctors.
Identify the individuals in the study.
A) each cardiologist selected from the directory
B) the responses: have been sued/have not been sued for malpractice in the last three years
C) the doctorʹs area of expertise (i.e., cardiology, pediatrics, etc.)
D) all cardiologists in the directory
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.
15) Administrators at a large university want to know the average debt incurred by their graduates. Surveys were mailed to 150 graduating seniors asking them to report their total student loan debt.

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