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Activity Title: Quick Stats with Quick Poll
Activity Overview: Its so simple. Since Quick Poll gives a bar graph when a poll is taken, the teacher can use these graphs to do all kinds of neat statistical manipulations with the students.
Grade Level: 5-8, 9-12, College
Activity Time: 30-50 minutes
Other Material: TI-Navigator 2.0
Before the activity: The teacher compiles questions and/or data to be used in the activity.
During the activity: The teacher opens the TI-Navigator, starts the class, instructs the students to log in, selects Quick Poll Open Response, and starts the poll. He/she instructs the students to enter the Activity Center on their calculators, asks the students, A. What is your favorite sport? The students type their answers on their calculators. Immediately, a bar graph is displayed on the TI-Navigator. Using the bar graph, the teacher asks the following questions (these are only samples):
1.What is the ratio of students who chose basketball to the students who chose football?
2. What is the ratio of students whose chose basketball to the total number of students who responded?
3. What percentage of the students chose tennis as their favorite sport?
4. What is the mode?
B. Another quick poll question that generates a lot of discussion is How much time do you spend studying math each week (each evening)?
After students answers have been graphed, the teacher can ask statistical questions similar to the ones above. As a follow-up quick poll question, the teacher may ask, What is your current letter grade in math? From this question, a comparison can be made between grades and time spent studying.
C. The teacher can get data on the Peoples Preferences of Coke and Pepsi, and ask the students, "Do you prefer Coke or Pepsi? Quite a discussion follows!
After the Activity: For closure the teacher may ask the students to write in their journals what they learned from the activity.
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