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Probability & Statistics

Probability & Statistics. Course Review. Draw a Dotplot. Goals Scored (per game) in Soccer Season 3 0 2 7 8 2 4 3 5 1 1 4 5 3 1 1 3 3 3 2 1 2 2 2 4 3 5 6 1 5 5 1 1 5 Describe the shape, center, and spread Do there appear to be any outliers (by sight)?.

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Probability & Statistics

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  1. Probability & Statistics Course Review

  2. Draw a Dotplot Goals Scored (per game) in Soccer Season 3 0 2 7 8 2 4 3 5 1 1 4 5 3 1 1 3 3 3 2 1 2 2 2 4 3 5 6 1 5 5 1 1 5 • Describe the shape, center, and spread • Do there appear to be any outliers (by sight)?

  3. Draw a Stemplot Number of Shirts Owned 50 26 26 31 57 19 24 22 23 38 13 50 13 34 23 30 49 13 15 51 • Describe the shape, center, and spread • Do there appear to be any outliers?

  4. 1 333 Key 1 3 = 13 shirts 1 59 2 2334 2 66 3 014 3 8 4 4 9 5 001 5 7

  5. Histogram vs. Bar Graph What are the key differences?

  6. Draw a Boxplot Home Runs in a Season 16 25 24 19 33 25 34 46 37 33 42 40 37 34 49 73 46 45 45 26 28 • Find the 5-number summary • Find the mean, standard deviation and IQR • Are there any outliers? (calculate) • Describe the shape, center, and spread

  7. Variable Mean StDev Minimum Q1 Median Q3 Maximum IQR Home Runs 36.05 12.69 16.00 25.50 34.00 45.00 73.00 19.50

  8. South Africa U.K. Compare the distributions

  9. Transformations A statistics test was out of 50 points. The mean was 40 with a standard deviation of 5. • What would happen to the mean and standard deviation if the teacher gave a 2 point curve? • What would happen to the mean and standard deviation if the teacher made the test out of 100?

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