1.2 Drawing Conclusions 2.3 Misuse & Abuse of Statistics
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Transcript of 1.2 Drawing Conclusions 2.3 Misuse & Abuse of Statistics
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1.2 Drawing Conclusions2.3 Misuse & Abuse of Statistics
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Statistical Problem-Solving Process
• Statistical Problem-Solving Process– 1) Ask a question of interest– 2) Produce Data (observational study or
experiment)– 3) Analyze Data (graphs, averages, etc.)– 4) Interpret Results
• Read and Discuss Example 1.10 on pg. 20• Read and Discuss Example 1.11 on pg. 21
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Analyzing Data
• Compare graph in question 1.25 (pg 22) to graph on pg. 20 (same data), how do they differ?
• Compare the Table on page 21 to the graph on page 23. Both represent the same data, but which is easier to draw conclusions from?– What conclusions can you draw?– What is an outlier?
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Popular: Obama: 53% McCain: 47%Electoral: Obama: 68% McCain: 32%
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3 ME
4AK VT 3 MA
12 CT
7RI
4 WI NY 10 MI 31 MN 17 10
PA 21
WA IA
7 IL
21 NJ
11 IN 11
OH 20
15 OR ID
4MT 3 ND 3 NE
5 WV D
7 WY 3 SD 3 MO 11
5 MD E NV CO
9KS
6 KY
8 DC 10 3
5 UT 5
VA 13
3 OK
7AR
6TN
11
NC 15
AZ
10NM
5 MS AL
9
TX 34
6 GA 15
SC 8
CA
55 LA
9
FL 27
4
HI
If the area of each statematched it’s electoral votes
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Popular: Obama: 53% McCain: 47%Electoral: Obama: 68% McCain: 32%
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Overdoing 3D
• Watch CNN & BBC election videos• Application 2.3 on page 91• Page 86, making good graphs
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Homework
• Pg. 25-26 Application 1.2 #1-5• Pg. 26-31 #1.31-32, 35, 38, 41-42• Cover Book• Vocabulary Quiz Tuesday