STATSMidtermReview
Statistics Midterm Review Name ____________________________
The next three questions concern the following scenario:
A recent Gallup poll asked "Do you consider pro wrestling to be a sport, or not?" Of the people asked, 81% said "No." The results were based on telephone interviews with a randomly selected national sample of 1,028 adults, 18 years and older, conducted August 16-18, 1999.
1. The population for this poll appears to be:
(a) all professional wrestlers.
(b) all adults, 18 years or older.
(c) all adults, 18 years or older, who were interviewed.
(d) all adults who answered “no.”
(e) all fans of professional wrestling who are 18 years or older.
2. The sample for this poll is:
(a) all professional wrestlers.
(b) all adults, 18 years or older.
(c) all adults, 18 years or older, who were interviewed.
(d) all adults who answered “no.”
(e) all fans of professional wrestling who are 18 years or older.
3. The variable measured in this study is
(a) professional wrestlers.
(b) individuals who responded “yes.”
(c) adults.
(d) opinion about whether professional wrestling is a sport.
(e) “yes.”
4. At the beginning of the school year, a high-school teacher asks every student in her classes to fill out a survey that asks for their age, gender, the number of years they have lived at their current address, their favorite school subject, and whether they plan to go to college after high school. Which of the following best describes the variables that are being measures?
(a) four quantitative variables.
(b) five quantitative variables.
(c) two categorical variables and two quantitative variables.
(d) two categorical variables and three quantitative variables.
(e) three categorical variables and two quantitative variables.
5. A forester surveys a sample of trees in a certain state forest and records the following information about each tree: species, height, diameter of trunk 4 feet above the ground, and type of leaves (needle or
The next three questions concern the following scenario:
A recent Gallup poll asked "Do you consider pro wrestling to be a sport, or not?" Of the people asked, 81% said "No." The results were based on telephone interviews with a randomly selected national sample of 1,028 adults, 18 years and older, conducted August 16-18, 1999.
1. The population for this poll appears to be:
(a) all professional wrestlers.
(b) all adults, 18 years or older.
(c) all adults, 18 years or older, who were interviewed.
(d) all adults who answered “no.”
(e) all fans of professional wrestling who are 18 years or older.
2. The sample for this poll is:
(a) all professional wrestlers.
(b) all adults, 18 years or older.
(c) all adults, 18 years or older, who were interviewed.
(d) all adults who answered “no.”
(e) all fans of professional wrestling who are 18 years or older.
3. The variable measured in this study is
(a) professional wrestlers.
(b) individuals who responded “yes.”
(c) adults.
(d) opinion about whether professional wrestling is a sport.
(e) “yes.”
4. At the beginning of the school year, a high-school teacher asks every student in her classes to fill out a survey that asks for their age, gender, the number of years they have lived at their current address, their favorite school subject, and whether they plan to go to college after high school. Which of the following best describes the variables that are being measures?
(a) four quantitative variables.
(b) five quantitative variables.
(c) two categorical variables and two quantitative variables.
(d) two categorical variables and three quantitative variables.
(e) three categorical variables and two quantitative variables.
5. A forester surveys a sample of trees in a certain state forest and records the following information about each tree: species, height, diameter of trunk 4 feet above the ground, and type of leaves (needle or