EXST 2201 Exam 1 Review UPDATED
QUESTIONS AND CORRECT ANSWERS
Each column contains information for? - CORRECT ANSWER A variable
Each row contains information for? - CORRECT ANSWER An individual
The information inside the body of the table is called? - CORRECT ANSWER The data
Body Style - CORRECT ANSWER Qualitative
Weight - CORRECT ANSWER Continuous
Number of seats - CORRECT ANSWER Discrete
The Gallup New Service conducted a survey of 1,004 adults where the respondents were asked, "Do
you have a great deal of concern regarding global warming?" What type of study is this? - CORRECT
ANSWER Observational Study
A pharmaceutical company developed a drug meant to relieve cold symptoms. The company selected
300 males in New York aged 25-59 years old and randomly divided them into two groups. Group 1
was given the new drug and group 2 was given a placebo. After one week of treatment, the percentage
of each group that still had cold symptoms was compared. What type of experimental design is this? -
CORRECT ANSWER Independent
Randomly choosing several of your friends to come on a trip with with you would be an example of
what type of sampling? - CORRECT ANSWER Without replacement
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
, What type of experimental design is this? - CORRECT ANSWER Dependent
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What are the experimental units? - CORRECT ANSWER 36 college students
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What is the treatment? - CORRECT ANSWER Listening to Mozart and silence
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What is the response variable? - CORRECT ANSWER Test scores
A national study conducted by the Centers for Disease Control asked college students, "How often do
you wear a seatbelt when driving a car?" The frequencies of their answers are shown below.
Response Frequency
Do not drive 249
Never 118
Rarely 249
Sometimes 345
QUESTIONS AND CORRECT ANSWERS
Each column contains information for? - CORRECT ANSWER A variable
Each row contains information for? - CORRECT ANSWER An individual
The information inside the body of the table is called? - CORRECT ANSWER The data
Body Style - CORRECT ANSWER Qualitative
Weight - CORRECT ANSWER Continuous
Number of seats - CORRECT ANSWER Discrete
The Gallup New Service conducted a survey of 1,004 adults where the respondents were asked, "Do
you have a great deal of concern regarding global warming?" What type of study is this? - CORRECT
ANSWER Observational Study
A pharmaceutical company developed a drug meant to relieve cold symptoms. The company selected
300 males in New York aged 25-59 years old and randomly divided them into two groups. Group 1
was given the new drug and group 2 was given a placebo. After one week of treatment, the percentage
of each group that still had cold symptoms was compared. What type of experimental design is this? -
CORRECT ANSWER Independent
Randomly choosing several of your friends to come on a trip with with you would be an example of
what type of sampling? - CORRECT ANSWER Without replacement
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
, What type of experimental design is this? - CORRECT ANSWER Dependent
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What are the experimental units? - CORRECT ANSWER 36 college students
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What is the treatment? - CORRECT ANSWER Listening to Mozart and silence
Researchers at the University of California wished to determine whether "music cognition and
cognitions pertaining to abstract operations such as mathematical or spatial reasoning" were related.
To test this question, 36 college students listened to Mozart for 10 minutes then were administered a
spatial reasoning rest used the Stanford-Binet intelligence test. The same students were later sat in a
room and listened to silence for 10minutes then were tested again.
What is the response variable? - CORRECT ANSWER Test scores
A national study conducted by the Centers for Disease Control asked college students, "How often do
you wear a seatbelt when driving a car?" The frequencies of their answers are shown below.
Response Frequency
Do not drive 249
Never 118
Rarely 249
Sometimes 345
