Statistical or NOT?

A statistical question has answers that will probably

• be the same

• have one answer

• vary

• not be useful

What two things do statistical questions need?

• opinion and fact

• averages and medians

• proof and numerical values

• population and variability

In which months are the birthdays of everyone in your class?

• statistical

• non statistical

Which shows a statistical question related to a data set?

• What is the total number of letters in the alphabet?

• What is the total number of inches in a foot?

• What is the total number of digits in a U.S. telephone number?

• What is the total number of math problems teachers assign for homework?

A teacher asked her students to give an example of a statistical question. The examples given by four students are shown below. Which students gave examples of a statistical question?

• Kay and Lyle

• Mara, Joe, and Lyle

• Joe and Lyle

• Mara, Kay and Lyle

Emily is studying forests; she writes the following statistical question.

How tall are the trees in the Osceola National Forest?

What makes this a statistical question?

• It has only one correct response.

• Its answer is expressed as a percentage.

• It provides answers about the different species of trees in the forest.

• It expects variability in the data.

Statistical or Not?

How many years experience do teachers at RELC II have?

• statistical

• non statistical

How many hours did you sleep last night

• non statistical

• statistical