Statistical Data Types and Questions

The video tutorial introduces statistical questions using Jerome's baseball card collection as a context. It defines statistical questions as those that can be answered with data that varies. The tutorial includes exercises to identify statistical questions and explains the difference between numerical and categorical data with examples.

What makes a question statistical?

• It is based on personal opinion.

• It requires data that varies.

• It is always about numbers.

• It can be answered with a single response.

Which of the following is a statistical question?

• How many students like chocolate ice cream?

• What is my favorite color?

• Who is the president of the United States?

• What is the name of my pet?

Why is 'How many siblings does my best friend have?' not a statistical question?

• It involves collecting data from multiple people.

• It requires numerical data.

• It is based on a survey.

• It has only one possible answer.

Which question would help determine if Ronnie lives the furthest from school?

• How many miles do you live from school?

• How long does it take you to get to school?

• What is your favorite route to school?

• What is the name of your school?

What type of data is collected when asking about the favorite ice cream flavor?

• Ordinal

• Quantitative

• Categorical

• Numerical

Which of the following is an example of numerical data?

• Number of pencils in a desk

• Favorite sports team

• Eye color

• Types of beverages consumed

If you record the ages of students, what type of data are you collecting?

• Categorical

• Ordinal

• Numerical

• Nominal

Which of the following questions would result in categorical data?

• How many hours do you study each day?

• How old are you?

• What is your favorite subject?

• What is your height?

What is the main characteristic of categorical data?

• It is always numerical.

• It requires a survey.

• It involves categories or names.

• It is based on measurements.

What is a key difference between numerical and categorical data?

• Numerical data involves numbers, while categorical data involves categories.

• Numerical data is subjective, while categorical data is objective.

• Numerical data involves categories, while categorical data involves numbers.

• Numerical data is always more accurate than categorical data.