WorksheetsIndividuals and Variables of Data
Total questions: 19
Worksheet time: 19mins
Identify the variables of the data set. Decide if they are categorical or quantitative. A teacher performs a study on 13 high school seniors. She gathers data on their GPA, IQ, and BMI.
13 high school seniors.
Categorical.
13 high school seniors.
Quantitative
GPA, IQ, and BMI.
Categorical.
GPA, IQ, BMI.
Quantitative
Identify the individuals of the data set. A teacher performs a study on 13 high school seniors. She gathers data on their GPA, IQ, and BMI.
All high school seniors in a specific school.
13 high school seniors.
GPA, IQ, and BMI.
GPA, IQ, BMI.
What is the word in statistics for any characteristic or attribute of a person, place, or thing?
variable
descriptive statistic
inferential statistic
parameter
What are characteristics that are defined by a number, such as age or weight?
descriptive statistics
inferential statistics
categorical variables
numerical variables
What is a quantitative variable that could have an infinite number of values?
categorical variable
qualitative variable
discrete variable
continuous variable
What is a quantitative variable that can take on a certain number of values?
categorical variable
qualitative variable
discrete variable
numerical variable
Is the information collected during the survey numerical or categorical data?
Numerical data. I know this because the y-axis is labeled with numbers.
Numerical data. I know this because the surveyor counted how many people that they surveyed.
Categorical data. I know this because the responses to the survey are names.
Categorical data. I know this because each column is a different color.
The school surveys students to find out their favorite food. The students would be identified as
individuals
variables
According to the Internet Movie Database, Avatar is tops based on box-office receipts worldwide. The table displays data on several popular movies. Identify the variables in this data set.
Movie titles, year, ratings, time, and genre
Year, ratings, time, genre, and box office earnings
Movie titles, ratings, and genre
Year, time, and box office earnings.
What type of graph is shown here?
Dotplot
Histogram
Boxplot
Pie Chart
What type of graph is shown here?
Dotplot
Boxplot
Stemplot
Bar graph
Which of the variables below would be an example of a categorical variable?
Number of Languages Spoken
Wrist Circumference
Height
Handedness
Which of the variables below would be an example of a quantitative variable?
Number of Languages Spoken
Province
Preferred Communication
Handedness
The columns in the table represent what?
Individuals
The population
The sample
A variable
The rows in the table represent what?
Individuals
The population
The sample
A variable
What type of graph is shown here?
Histogram
Bar Graph
Box Plot
Stemplot
A variable (or response variable) is
a characteristic of interest about each individual element of a population or sample
a characteristic that is irrelevant to the collection of the data
a characteristic that changes when the data is collected
a characteristic or trait that will be ignored in a sample population
Which of the following statements about variables is correctly paired?
A qualitative variable describes or categorizes an element of population, while a quantitative variable quantifies an element of a population
A quantitative variable describes or categorizes an element of population, while a qualitative variable quantifies an element of a population
A qualitative variable describes an element of the sample population, while a quantitative variable quantifies an element of total population
A quantitative variable describes an element of the sample population, while a qualitative variable quantifies an element of total population
The POPULATION in statistics is best described by...
a collection, or set, of individuals, objects, or events whose properties are to be analyzed
the total number of people that live in a particular city
the incomplete collection of individuals or objects that are of interest to the sample collector
a collection of people that are being analyzed for membership on a list of particular elements to be studied
