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You have 15 min. to:. Should have paper labeled #1-10 with each question answered. Meet me at the table in the middle for HW Questions. Due to Tray NOW (if you haven’t already turned it in). HW Chapter 2-3 Reading Questions HW P.16 #2,12,22,25,26 HW P.36-44 #5,7,8,10,11,13,14 CW Carousel.

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Presentation Transcript
You have 15 min. to:

Should have paper labeled #1-10 with each question answered

Meet me at the table in the middle for HW Questions

Due to Tray NOW (if you haven’t already turned it in)
• HW Chapter 2-3 Reading Questions
• HW P.16 #2,12,22,25,26
• HW P.36-44 #5,7,8,10,11,13,14
• CW Carousel

### Segmented Bar Charts

CH. 3 Day 3

AP Statistics

EQ: How do we construct segmented bar charts?

Segmented Bar Chart
• Treats each bar as the “whole” and divides it proportionally into segments corresponding to the percentage in each group.

What observations

do you have?

Titanic Data

From last week

Make a segmented bar chart by constructing the conditional distribution of class by survival status.

Alive

Make a segmented bar chart by constructing the conditional distribution of fish consumption by prostate cancer.

No

Yes

Is there an association between fish consumption and prostate cancer?

Categorical Data Condition:

The categories of diet do not overlap,

And the categories of diagnoses do not overlap

Steps to Follow:

• Conditions

2. Mechanics

3. Graphical display

4. Conclusion

Calculations and Table

Could use bar or pie chart

Because individuals fall

into only one category

Does not appear to be a significant difference

between the groups,

more study would need to be done before

suggesting men change their diets.

From last week

Make a segmented bar chart by constructing the conditional distribution of race by age.

50 & older

25-49

24 & younger

What Can Go Wrong?
• Don’t violate the area principle.
• Keep it honest.
• Don’t confuse similar-sounding percentages.
• Don’t forget to look at the variable separately too.
• Be sure to use enough individuals.