WorksheetsVariables, Data, Sampling & Levels of Measurement
Total questions: 15
Worksheet time: 10mins
Which of the following are discrete variables? Check all that apply.
number of subjects enrolled for the 1st semester
soft drink preference
number of laptops
room temperature
Variables may be qualitative or quantitative. What is another term for qualitative?
(a)
Which of the following is a continuous variable? Check all that apply.
age of senior Business students in SISC
distance to the closest convenience store
most-watched television show
income tax paid
What sampling is used in the situation given below?
The instructor takes her sample by gathering data on ten randomly selected students from each Nahuw Community College math class.
simple random
cluster
stratified
cluster
What sampling is used in the situation given below?
A group of test subjects are divided into 15 groups; then five of the groups are chosen at random.
systematic
stratified
simple random
cluster
Which of the following is considered random sampling? Check all that apply.
convenience
cluster
systematic
stratified
Which random sampling is used in the given situation below?
A computer generates 100 random numbers and 100 people whose names correspond with the numbers on the list are chosen.
systematic
stratified
simple
cluster
Which random sampling technique is used in the situation given below?
Every 100th hamburger manufactured is checked to determine its fat content.
cluster
simple
stratified
systematic
Which of the following situations makes use of convenience sampling?
A college counselor uses a computer to generate random numbers and then picks students whose names correspond to the numbers.
A sample of 200 undergraduate students in SISC is taken by organizing the students' names by classification (freshman, sophomore, junior, or senior), and then selecting 50 students from each.
Mr. Jose samples his class by selecting all students sitting at Group 1 and group 5 in his classroom.
The first 100 people who walk into a sporting event are interviewed on their television preferences.
(a) data are obtained by measuring. (e.g. weights in pounds of five backpacks 6.2, 7, 6.8, 8, and 4.3)
What is the level of measurement for distance traveled by students to school?
interval
nominal
ordinal
ratio
What is the level of measurement for the jersey numbers of a basketball varsity?
interval
nominal
ordinal
ratio
What is the level of measurement for student IQ ratings?
interval
nominal
ordinal
ratio
What is the level of measurement for rankings of golfers in a tournament?
interval
nominal
ordinal
ratio
Which random sampling technique is used in the situation below?
A researcher for an airline interviews all of the passengers on five randomly selected flights.
cluster
simple random
stratified
sytematic
