AP Stats Summer Work.pdf

# Your data should be in list 1 so x list should read

• 4

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the fourth plot (a box plot with outliers) by hitting Enter. Your data should be in List 1, so x -list should read “L1.” Select “Zoom” (3 rd button, top row). Choose option 9 (ZoomStat). Reproduce the box plot in scale here. Use trace to find the end of the whisker and the ends of the box and the middle line on the box. Label your axis and scale. Choose a scale appropriate for the space provided.

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2. Practice with regression: If you are camping in the woods, can you tell what the temperature is by how quickly the crickets chirp? Examine the data below: Temperature ( o C) Chirps/min 18 110 19 110 20 130 21 135 23 154 24 158 26 179 29 201 31 210 32 230 Enter this data into L2 and L3. Plot a scatterplot (the first choice in the plots, 2 nd Y= again). Reproduce the scatterplot with labeled axes, scale and a title. Choose a scale appropriate for the space provided. Remember to change the x -and y -lists to L2 and L3! a. Now find the line of best fit using these commands: Stat Calc 8 L2, L3. Record the equation of the line along with r and r 2 (turn Dia gnostics On if your calculator doesn’t show r and r 2 ). b. At 27 o , what would you expect the number of chirps/minute to be (don’t forget context— units)?
3. Collect two newspaper or magazine articles that include statistical concepts. These may include things like graphs, charts or averages. They may also report conclusions made as a result of looking at data.

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