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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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You have 15 min to
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
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

Segmented Bar Charts

CH. 3 Day 3

AP Statistics

EQ: How do we construct segmented bar charts?


Segmented bar chart
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
Titanic Data

Find in your notes

From last week


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

Alive

Dead


What does the graph tell us
What does the graph tell us? distribution of class by survival status.


Fish consumption vs prostate cancer
Fish Consumption vs. Prostate Cancer distribution of class by survival status.


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

No

Yes


What does the graph tell us1
What does the graph tell us? distribution of fish consumption by prostate cancer.


Is there an association between fish consumption and prostate cancer
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.


Find in your notes prostate cancer?

From last week


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

50 & older

25-49

24 & younger


What can go wrong
What Can Go Wrong? distribution of race by age.

  • 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.

  • Don’t overstate your case.


Homework
Homework distribution of race by age.

p. 36-44 # 20, 23, 31 (due Wednesday)


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