Probs & Stats Unit 1 Review

What is the singular form of the word "data"?

• Datum

• Datas

• Datus

• Datae

In a data table, what does a row typically represent?

• The who

• The what

• The when

• The why

What type of variable involves characteristics recorded in counts or percentages?

• Categorical Variable

• Quantitative Variable

• Numerical Variable

• Continuous Variable

Which of the following is an example of a categorical variable?

• Shoe size

• Height in meters

• Number of states visited

• Gender

What type of variable is "Weight"?

• Categorical

• Quantitative

• Identifier

• Nominal

Which of the following is an example of an identifier variable?

• Hair Color

• FedEx Tracking Number

• Job Salary

• Ethnicity

What does a frequency table display?

• The average of numerical data

• The categories of a categorical variable and their frequency

• The relationship between two variables

• The trend over time

In a bar chart, what does the height or length of each bar represent?

• The color of the category

• The count or proportion of each category

• The time period of the data

• The average value of the data

Which eye color has the highest count in the class according to the frequency table?

• Blue

• Green

• Brown

• Hazel

Which of the following is a method to display one quantitative variable?

• Dot Plot

• Pie Chart

• Bar Graph

• Line Graph