Statistical and Data Types Concepts

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 why some questions are not statistical. It also guides on transforming non-statistical questions into statistical ones. Finally, it covers the types of data—numerical and categorical—using examples to illustrate the differences.

What is a statistical question?

• A question that is always about numbers

• A question with a single answer

• A question that has no answer

• A question that can be answered with data that varies

Why is 'What is Jerome's favorite card?' not a statistical question?

• Because it involves numbers

• Because it has only one answer

• Because it has multiple answers

• Because it requires a survey

Which of the following is a statistical question?

• What is the name of Jerome's school?

• What is Jerome's favorite color?

• What is the average cost of a card in Jerome's collection?

• How old is Jerome?

Why is 'How many brothers and sisters does my best friend have?' not a statistical question?

• Because it involves a survey

• Because it has only one answer

• Because it is about family

• Because it requires numerical data

What makes a question statistical?

• It is always about numbers

• It requires data that varies

• It can be answered with a single data point

• It is always about categories

Which of the following is an example of a statistical question?

• How many pets do I have?

• What is my favorite subject?

• What is the typical age of teachers at my school?

• How old is my math teacher?

What type of data is 'favorite flavor of ice cream'?

• Neither numerical nor categorical

• Numerical

• Categorical

• Both numerical and categorical

What type of data is 'hours of sleep on a school night'?

• Both numerical and categorical

• Neither numerical nor categorical

• Categorical

• Numerical

Why is 'eye color for each of 36th graders' considered categorical data?

• Because it involves numbers

• Because it involves categories like colors

• Because it is a survey question

• Because it is about students

What is the main difference between numerical and categorical data?

• Both involve categories

• Both involve numbers

• Numerical data involves numbers, while categorical data involves categories

• Numerical data involves categories, while categorical data involves numbers