1 .		A psychologist wants to know the opinions of women, who have at least one grammar school student, about home schooling. She obtains a list of the 650 female members of local PTA’s and mails a questionnaire to 100 of these women selected at random. Only 48 questionnaires are returned. What is the population in this study? [Hint]
2 .		Refer back to question one. What is the sample in this study? [Hint]
3 .		The process of statistics consists of which of the following? [Hint]
4 .		The two branches of statistics are [Hint]
5 .		What does it mean to conduct a double-blind experiment? [Hint]
6 .		Which of the following can be classified as a quantitative variable? [Hint]
7 .		Which of the following is a qualitative variable? [Hint]
8 .		Which of the following can be classified as a continuous variable? [Hint]
9 .		Which of the following can be classified as a discrete variable? [Hint]
10 .		An observational study [Hint]
11 .		A characteristic that is related to a study, but is not identified in that study, is called [Hint]
12 .		An advantage of an experiment over an observational study is that an experiment [Hint]
13 .		A simple random sample of size 10 needs to be obtained from a population of 453 students. How many digits should you look at when selecting this sample from a table of random digits? [Hint]
14 .		A club has 30 student members, whose last names are listed below. The club needs to send 4 of these students to a convention. Using your graphing calculator, obtain a simple random sample of size 4. Set your seed to 1234. Which students will attend the convention? (Number your sample going downward.) Affrunti Clements Jamshed Martinez Rebstock Avila Crombie Kelly McKenna Rothstein Blatt Daun Kyznar Menzel Ryan Borrowdale Esqueda Lenz Munguia Scholdt Carman Geary Lyman Pearce Sullivan Cipriani Gilmore Magee Pershey Sutter [Hint]
15 .		A club has 30 student members, whose last names are listed below. The club needs to send 4 of these students to a convention. Using Table 3 (Random Digits) beginning at Row 11, Column 16(going across the table), obtain a simple random sample of size 4. Which students will attend the convention? (Number your sample going downward.) Affrunti Clements Jamshed Martinez Rebstock Avila Crombie Kelly McKenna Rothstein Blatt Daun Kyznar Menzel Ryan Borrowdale Esqueda Lenz Munguia Scholdt Carman Geary Lyman Pearce Sullivan Cipriani Gilmore Magee Pershey Sutter [Hint]
16 .		Which type of sampling can be characterized by separating the population into nonoverlapping groups? [Hint]
17 .		Which type of sampling can be characterized by selecting every 4th individual from a population? [Hint]
18 .		Which type of sampling can be characterized by having self-selected individuals? [Hint]
19 .		Which of the following types of sampling usually contains the most bias? [Hint]
20 .		Which type of errors result from the survey process? [Hint]
21 .		One hundred questionnaires were mailed out to residents from the city of Downers Grove. Forty-eight were returned. What is the rate of nonresponse? [Hint]
22 .		Which of the following can affect the validity of a study? [Hint]
23 .		Which type of questions are the easiest to code responses from? [Hint]
24 .		A key component of a well-designed experiment is [Hint]
25 .		An innocuous medication, such as a sugar tablet, is known as [Hint]
26 .		An experiment is defined by the following types of variables [Hint]
27 .		A large study used records from Canada’s national health care system to compare the effectiveness of two ways to treat prostate disease, traditional surgery and a new method that does not require surgery. You have 300 prostate patients who are willing to serve as subjects in an experiment to compare the two methods. What is the response variable in this experiment? [Hint]
28 .		Using the information from question 27, what type of experimental design is this? [Hint]
29 .		What type of experimental design is typically used to address confounding effects? [Hint]
30 .		Using a husband and wife as subjects in an experiment would best be utilized in which type of experimental design? [Hint]
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