Notes: Stats Unit 1 Intro

Multiple Choice

Which of the following best describes a quantitative variable?

• A variable that assigns labels to individuals

• A variable that takes number values as counts or measurements

• A variable that can only be categorized into groups

• A variable that cannot be measured

Multiple Choice

Based on the bar graph of 'Preferred communication method', which method is most preferred among the students?

• Cell phone

• Facebook

• In person

• Text messaging

Multiple Select

Which of the following are examples of categorical variables?

• Biological sex

• Height

• Number of languages spoken

• Preferred communication method

Multiple Choice

Which of the following best describes inferential statistics?

• The process of exploratory data analysis.

• The process of drawing conclusions that go beyond the data at hand.

• The process of collecting data from a sample.

• The process of classifying variables.

Multiple Choice

What are the two main learning targets for this section on Data Analysis?

• Identify the individuals and variables in a set of data; Classify variables as categorical or quantitative.

• Describe the history of statistics; Explain the importance of data collection.

• List types of graphs; Define mean and median.

• Summarize the chapter; Discuss the role of technology in statistics.