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WELCOME TO CAHSEE Week 7- Last ONE!!!

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NOTES- any slide with a green title should be written down in your notebook.

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Lesson #13- Statistics, Data, and Probability

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Mean, Median, Mode (15 mins) Mean- average 8, 9, 14, 9, 20, 3, = Divide the amount of numbers ( ) ____ ÷ _____ =

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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?

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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?

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Bootcamp Practice (10 mins) Pages 1 and 2 you may write on.

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Bootcamp Practice Raise your hand if you need any help Ask questions NOW, the Cahsee will be too late ! *Teacher will determine grouping (independent, pairs, etc.)

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Answer Key- Page 1 (1 min) NumberAnswer 1)Mean= 5 Median=4 Mode= 4 2)Mean= 57 Median= 55 Mode= 58

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Answer Key- Page 2 (1 min) NumberAnswer 1)Mean= 12 Median=11 Mode= 10 2)Week 1 Mean=15 Week 2 Mean= 14 Week 1 Median= 16 Week 2 Median- 15 Week 1 Mode= 18 Week 2 Mode= 11

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Lesson #11- Continued

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Graphs and Scatterplots(10 mins) Graphs present information in different ways. Line, pie, bar graphs or scatterplots.

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Line Graphs

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Bar Graph

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Scatterplots

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Bootcamp Practice (15 mins) Pages 103, 105, and 106 you may write on.

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Bootcamp Practice Raise your hand if you need any help Ask questions NOW, the Cahsee will be too late ! *Teacher will determine grouping (independent, pairs, etc.)

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Answer Key- Page 103 (1 min) NumberAnswer 1)The greater change is between hours 5pm and 6pm. 2)Pam sold more apartments between January and May.

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Answer Key- Page 105 (1 min) NumberAnswer 1)7 2)5 and 8 hours 3)More studying= better test scores 4)Positive correlation

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Answer Key- Page 106 (1 min) NumberAnswer 1)50 2)80/ 20 feet 3)20, 40, 55 4)The scores dropped (decrease) 5)Negative Correlation 6)190 and 170 7)Yes, positive 8)Positive Correlation

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Exit Slip: (15 mins) Get your assigned computer/ close notebook Log-on/ 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)

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Reminders: (1 min) ELA Cahsee- Tuesday 3/18 Math Cahsee- Wednesday 3/19 Testing 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!!!)

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Escort students to the cave at 10:30am (lunch and shirts)

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