# WELCOME TO CAHSEE Week 7- Last ONE!!!. NOTES- any slide with a green title should be written down in your notebook.

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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 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.)

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

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

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 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.)

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.

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

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

Exit Slip: (15 mins)  Get your assigned computer/ close notebook  Log-on/ www.achievedata.com/zoom/test 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 3/18  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!!!)

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

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