2. It’s Pi Day!!!

5. Formulas

7. Bonus Time Questions? Work on your homework or read silently.
Not social time.

9. Grade
Application
9)132sq.ft./$528
10)183sq.in.
11)2gal/$46
12)327gal

10. Vocab Quiz

11. Turn in Pi day HW

12. Pre-Assessment

13. Lesson 8-1
Random Samples and Surveys

14. Guided Notes 8-1 Random Samples and Surveys
A population is a group of objects or people.
A sample is a part of a population.
A random sample is a sample in which each member of a population has the same chance of being selected.
A biased question is a question that makes an unjustified assumption or makes some answers appear better than others.

15. Example 1
Almost every student in the school is probably taking one English class. The sample is likely to be random.

16. Quick Check
1a. The sample is less random because most of the people will be shopping after work.
1b. The sample is more random because it will include people shopping at all times of the day.

17. Example 2
a. fair
b. biased

18. Quick Check2
a. Biased: the question implies that meat is greasy and veggies are healthy.
b. Fair: the question makes no assumption about pizza toppings.

19. Bonus Time Questions? Work on your homework or read silently.
Not social time.

21. Hand Back Tests

23. Bonus Time Questions? Work on your homework or read silently.
Not social time.

24. TAKE ATTENDANCE!

25. HW ?s - Inquiry

26. Vocabulary
Statistics
Survey
Stratify
Probability

27. Guided Problem Solving
Random Samples and Surveys

32. Bonus Time Questions? Work on your homework or read silently.
Not social time.

34. Quiz Friday 3/18/16
Mr. Smith

35. Disney Bonus