1. 1st Period – ACT ASPIRE
Get pencils sharpened NOW. I do not want you doing this after the bell rings. NO MECHANICAL!
You only need a pencil on your desk.
No calculator
No scratch paper
Have everything ready to set in the hallway as soon as I give you instructions to do so.
If you need to go to the bathroom, Go NOW.
When the bell rings, Get Quiet.

2. Find the mode of each set of data.
Bell Ringer
Find the mode of each set of data.
45, 66, 30, 66, 90, 92, 90
2, 4, 7, 9, 3, 5, 9
100, 99, 70, 98, 85, 62
3, 5, 7, 9, 3, 10

3. Announcements No School Friday
Sub tomorrow – if your name gets written down, automatic detention
Relay for Life

4. Homework Check

5. Homework Check

6. Homework Turn In

7. Finishing Up from Yesterday
R drive > Key > April 13_17 > 3_15__Practice 13.1 & 13.2 File > Save As > P drive > Math > April 13_17 > 3_15__Practice 13.1 & 13.2

8. Example 1 Different Points of View
The average wait times for 10 different rides at an amusement park are 65, 21, 17, 52, 25, 17, 11, 22, 60, and 44 minutes. Which measure of central tendency would the amusement park advertise to show that the wait times for its rides are short? Explain.

9. Example 2 Different Points of View
Maggie had the following times on her runs in the 100-meter dash: 11.6, 11.8, 12.7, 12.6, 11.9, and Which measure of data would she want to use to describe her performance?

10. Example 3 Different Points of View
The weekly salaries for the employees at Bob’s Book Store are: $600, $600, $625, $1250, $1800. Which measure of data should Bob’s Book Store’s manager use to show new employees that the salaries are high?

11. Do You Understand?
Which measure of central tendency best represents the data? Justify your selection and then find the measure of central tendency. 1. A 2. B 3. C

12. What do the x’s on the handout mean?

13. Bring to me to check as you finish each side.
Practice 13.1 & 13.2
Bring to me to check as you finish each side.