GLOBAL CAMPUS STAT200 ASSIGNMENT
SCRIPT 2026 COMPLETE ANSWERS VERIFIED
◉ Olivia wants to learn a foreign language. To get an idea of how
satisfied other students were after taking a foreign language course,
she decides to take a random sample of 20 students. If Olivia
randomly selects one class among all the foreign language classes
taught that year, and then interviews all students in that class, the
sampling method is a. Answer: C) cluster sample.
◉ A population of taxpayers is divided into five income levels and a
simple random sample is selected from each one for an audit. This is
an example of a _________ sample. Answer: B) stratified
◉ Decide if this study is experimental or observational. A survey
asked 100 Americans how many cups of coffee they drink in a
typical week. They computed the average to be 14.7 cups per week.
Answer: Observational
◉ A special education teacher was interested in examining the effect
of giving gifted students online instruction as opposed to instruction
in a traditional classroom. She had a sample of 10 gifted students.
She used a random number generator to assign each student a
number. Students with even numbers were assigned to stay in the
traditional classroom. Students with odd numbers were assigned to
,take online courses. At the end of one semester she found that
students in the online group had greater gains in demonstrated
knowledge. Which of the following is true about this study? Answer:
A) The study lacks replication.
◉ An educational researcher is comparing the time management
skills of students enrolled at Penn State World Campus and Penn
State University Park. She knows that there are more traditional
students enrolled through University Park and more adult students
enrolled through World Campus. Previous research has shown that
there is a relationship between age and time management skills, so
the researcher includes age in her study. This this study, age is
Answer: B) a confounding variable.
◉ Which one of these variables is a categorical variable?
A) Number of ear pierces a person has
B) Height of a person
C) Weight of a person
D) Opinion about legalization of marijuana Answer: D) Opinion
about legalization of marijuana
◉ Which one of the following variables is not categorical?
A) Age of a person.
B) Gender of a person: male or female.
C) Choice on a test item: true or false.
, D) Marital status of a person (single, married, divorced, other)
Answer: A) Age of a person.
◉ A group of middle school students are conducting a study of
running speed. They take a sample of 30 middle school students and
time how long it takes them to run 40 meters. Which of the following
graphical representations is most appropriate for use with this data?
Answer: A) Single boxplot
◉ What is this graph highlighting? Answer: B) The median
◉ The above boxplot is for the results of the women's 400-meter
dash final race during the 2000 Olympics in Sydney, Australia. Cathy
Freeman won in 49.11 seconds. Choose the correct statement about
the boxplot. Answer: D) The slowest time of 51.04 seconds is an
outlier.
◉ Click the following link Minitab Data or Excel Data. From this data,
use software to answer the following: 1. The mean of the variable
Height in column C6. 2. The Interquartile Range (IQR) of the variable
GPA in column C2. 3. Describe the shape of the variable CellTime in
column C5 Answer: A) Mean = 67.777; IQR = 0.62 ; Skewed right
◉ Close all minitab files Click the following link Minitab Data or
Excel Data. From this data, use software to answer the following: 1.
How many students answered the question regarding SAT Math
SCRIPT 2026 COMPLETE ANSWERS VERIFIED
◉ Olivia wants to learn a foreign language. To get an idea of how
satisfied other students were after taking a foreign language course,
she decides to take a random sample of 20 students. If Olivia
randomly selects one class among all the foreign language classes
taught that year, and then interviews all students in that class, the
sampling method is a. Answer: C) cluster sample.
◉ A population of taxpayers is divided into five income levels and a
simple random sample is selected from each one for an audit. This is
an example of a _________ sample. Answer: B) stratified
◉ Decide if this study is experimental or observational. A survey
asked 100 Americans how many cups of coffee they drink in a
typical week. They computed the average to be 14.7 cups per week.
Answer: Observational
◉ A special education teacher was interested in examining the effect
of giving gifted students online instruction as opposed to instruction
in a traditional classroom. She had a sample of 10 gifted students.
She used a random number generator to assign each student a
number. Students with even numbers were assigned to stay in the
traditional classroom. Students with odd numbers were assigned to
,take online courses. At the end of one semester she found that
students in the online group had greater gains in demonstrated
knowledge. Which of the following is true about this study? Answer:
A) The study lacks replication.
◉ An educational researcher is comparing the time management
skills of students enrolled at Penn State World Campus and Penn
State University Park. She knows that there are more traditional
students enrolled through University Park and more adult students
enrolled through World Campus. Previous research has shown that
there is a relationship between age and time management skills, so
the researcher includes age in her study. This this study, age is
Answer: B) a confounding variable.
◉ Which one of these variables is a categorical variable?
A) Number of ear pierces a person has
B) Height of a person
C) Weight of a person
D) Opinion about legalization of marijuana Answer: D) Opinion
about legalization of marijuana
◉ Which one of the following variables is not categorical?
A) Age of a person.
B) Gender of a person: male or female.
C) Choice on a test item: true or false.
, D) Marital status of a person (single, married, divorced, other)
Answer: A) Age of a person.
◉ A group of middle school students are conducting a study of
running speed. They take a sample of 30 middle school students and
time how long it takes them to run 40 meters. Which of the following
graphical representations is most appropriate for use with this data?
Answer: A) Single boxplot
◉ What is this graph highlighting? Answer: B) The median
◉ The above boxplot is for the results of the women's 400-meter
dash final race during the 2000 Olympics in Sydney, Australia. Cathy
Freeman won in 49.11 seconds. Choose the correct statement about
the boxplot. Answer: D) The slowest time of 51.04 seconds is an
outlier.
◉ Click the following link Minitab Data or Excel Data. From this data,
use software to answer the following: 1. The mean of the variable
Height in column C6. 2. The Interquartile Range (IQR) of the variable
GPA in column C2. 3. Describe the shape of the variable CellTime in
column C5 Answer: A) Mean = 67.777; IQR = 0.62 ; Skewed right
◉ Close all minitab files Click the following link Minitab Data or
Excel Data. From this data, use software to answer the following: 1.
How many students answered the question regarding SAT Math
