1. Lesson Topic: Statistics! Posing Statistical Questions
Lesson Objective: I can…
I can distinguish between statistical questions and those that are not statistical.
I can formulate a statistical question and explain what data could be collected to answer the question.
I can distinguish between categorical data and numerical data.

2. Pose a question that can be answered by data
Statistics is about using data to answer questions. The following four steps will summarize your work with data:
Pose a question that can be answered by data
Determine a plan to collect the data
Summarize the data with graphs and numerical summaries
Answer the question posed in step 1 using the data and summaries

3. What is a Statistical Question?
What is the typical cost of an apple?
Where did Kelsey get each pair of her shoes from?
How old are the students in San Tan?
Not Statistical
When is Kim’s birthday?
How old is Kevin?
Where was Ms. McClure born?
How many siblings does Jordan have?
Guess definition

4. A question is statistical if it can be answered with data that varies
A question is statistical if it can be answered with data that varies. Variability in the data means that not all data values have the same value.
Write your own
Which would have more variability
Exercises 1-5

5. Minutes to get to school
Types of Data
Categorical
Eye color
Favorite team
Birth Month
Favorite TV show
Favorite food
Shirt size
Hair color
Numerical
Age
Height
Number of Pets
Minutes to get to school
Amount of rainfall
Temperature
Guess definition

6. In a numerical data set, every value in the set is a number
In a numerical data set, every value in the set is a number. Categorical data sets can take on non-numerical values, such as names of colors, labels, etc.
Exercises 6-7

7. Exit Ticket
On Socrative…

8. Evaluate Your Learning
How will you “Sharpen Your Saw”?