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WELCOME TO CAHSEE
Week 7- Last ONE!!!
NOTES- any slide with a green title should be written down in your notebook.
Lesson #13- Statistics, Data, and Probability
Mean, Median, Mode (15 mins)
• Mean- average
8, 9, 14, 9, 20, 3, 7
8+ 9+ 14+ 9+ 20+ 3 +7=
Divide the amount of numbers ( )____ ÷ _____ =
Median
• Median- number in the middle, when lined up from least to greatest
8, 9, 14, 9, 20, 3, 7
3, 7, 8, 9, 9, 14, 20= ____ is in the middle. What if its two numbers?
Mode
• Mode- most often.
8, 9, 14, 9, 20, 3, 7
3, 7, 8, 9, 9, 14, 20= ____ is the number you see most often. What if you added another 3?
Bootcamp Practice (10 mins)
Pages 1 and 2 you may write on.
Bootcamp PracticeRaise your hand if you need any help
Ask questions NOW, the Cahsee will be too late!
*Teacher will determine grouping (independent, pairs, etc.)
Answer Key- Page 1 (1 min)
Number Answer1) Mean= 5
Median=4 Mode= 4
2) Mean= 57Median= 55Mode= 58
Answer Key- Page 2 (1 min) Number Answer1) Mean= 12
Median=11Mode= 10
2) Week 1 Mean=15Week 2 Mean= 14Week 1 Median= 16Week 2 Median- 15Week 1 Mode= 18Week 2 Mode= 11
Lesson #11-
Continued
Graphs and Scatterplots(10 mins)
• Graphs present information in different ways. Line, pie, bar graphs or scatterplots.
Line Graphs
Bar Graph
Scatterplots
Bootcamp Practice (15 mins)
Pages 103, 105, and 106 you may write on.
Bootcamp PracticeRaise your hand if you need any help
Ask questions NOW, the Cahsee will be too late!
*Teacher will determine grouping (independent, pairs, etc.)
Answer Key- Page 103 (1 min)
Number Answer1) The greater change is
between hours 5pm and 6pm.
2) Pam sold more apartments between January and May.
Answer Key- Page 105 (1 min)
Number
Answer
1) 72) 5 and 8 hours3) More studying= better
test scores4) Positive correlation
Answer Key- Page 106 (1 min)
Number
Answer
1) 502) 80/ 20 feet3) 20, 40, 554) The scores dropped (decrease)5) Negative Correlation6) 190 and 1707) Yes, positive8) Positive Correlation
Exit Slip: (15 mins)
Get your assigned computer/ close notebook
Log-on/ www.achievedata.com/zoom/test
Use the test key from the CAHSEE BOOTCAMP file cabinet under Mrs. Kelley’s page
Exit Slip Name- CB Math Week Seven Exit Slip (5 questions)
Reminders: (1 min) ELA Cahsee- Tuesday 3/18Math Cahsee- Wednesday 3/19Testing in Advisory classes BOTH DAYS start at 7:45am Study over your notes!Be on time!Late or Absent= won’t take the test (automatic NO PASS!!!)
Escort students to the cave at
10:30am (lunch and shirts)