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)