Post on 26-May-2015
8.5 scatterplots
HW pg. 426 #218 1
March 07, 2012
Objective: interpret and draw scatter plots
Write the coordinates of each point.
1. A2. B3. C4. D A
C
BD
Bellwork
8.5 scatterplots
HW pg. 426 #218 2
March 07, 2012
2. K = C + 273.15; 373.15oK4. f(x) = x 96. f(x) = 1.2x 2.48. f(x) = (2/5)x + 110. a. q(p) = (1/2)p b. q(f) = f/3212. p(7) = 28; 28 cm14. y = (1/3)x 216. y = (1/4)x + 118. y = (3/4)x (1/2)20. y = (2/5)x 1.222. y = 0.5x + 0.524. y = 0.7x + 3.1
HW pg. 420 #2 24 even
8.5 scatterplots
HW pg. 426 #218 3
March 07, 2012
page 420 # 7 21 OddGraph using slope Page 415 # 30 35 allGraph using a t table Page 415 # 14 19 all
7. y = (4/5)x +211. n(d) = 36d, n(4) = 144 inches13. y = 2x 415. y = 217. y = 3x + 419. y = 4x 321. y = 2x 3
8.5 scatterplots
HW pg. 426 #218 4
March 07, 2012
30. y = 2x + 4 31. y = 5x 3 32. y = x +1
33. y = (2/3)x +1 34. y = (1/2)x 35. y = 3
8.5 scatterplots
HW pg. 426 #218 5
March 07, 2012
14. y = 2x + 1 15. y = 3x 1 16. y = x 4
17. y = 4 18. y = 3x + 3 19. y = (3/2)x + 6
8.5 scatterplots
HW pg. 426 #218 6
March 07, 2012
8.5 scatterplots
HW pg. 426 #218 7
March 07, 2012
Annual Incom
es ($1,000s)
Years of Education Completed 8 10 12 14 16
120110100 90 80 70 60 50 40 30 20 10 0
A
B
Describe the person represented by point A.
How many years of education does the person who earns $100,000 have.
How many people have exactly 12 years of education?
8.5 scatterplots
HW pg. 426 #218 8
March 07, 2012
Use the table to make a scatter plot of the latitude and temperature data.
Location Daily Mean(degrees Mean Annual north Temperature Precipitation
City latitude) (oF) (inches)Atlanta, GA 34 61 51Boston, MA 42 51 42Chicago, IL 42 49 36Duluth, MN 47 39 30Honolulu, HI 21 77 22Houston, TX 30 68 46Juneau, AK 58 41 54Miami, FL 26 76 56Phoenix, AZ 33 73 8Portland, ME 44 45 44San Diego, CA 33 64 10Wichita, KS 38 56 29
8.5 scatterplots
HW pg. 426 #218 9
March 07, 2012
20 30 40 50 60Locations (degrees north latitude)
Daily mean temperature (oF)
80
70
60
50
40
0
8.5 scatterplots
HW pg. 426 #218 10
March 07, 2012
Make a scatter plot of the temperature and precipiatation data. Plot temp along horizontal axis.
Temperature (oF)
8.5 scatterplots
HW pg. 426 #218 11
March 07, 2012
Scatterplot
Correlations
8.5 scatterplots
HW pg. 426 #218 12
March 07, 2012
HW pg. 426 # 218
8.5 scatterplots
HW pg. 426 #218 13
March 07, 2012
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