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8 Cards in this Set
- Front
- Back
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Dot plot siblings. 1. Describe the shape of the distribution |
Skewed to right and unimodal |
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2. Describe Center of distribution |
Midpoint of 28 values between 1 and 2. Typical student in sample has 1 or 2 siblings |
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3. Describe spread of distribution |
Number of siblings varies from 0 to 6 |
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4. Potential outliers ? |
Two potential outliers: students reporting 5 and 6 siblings |
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37. Feeling Sleepy. Describe overall pattern of distribution and any departures from pattern |
Roughly symmetric with midpoint of 6 hours. Hours of sleep vary from 3 to 11. Not appear to be any outliers. |
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39. US women's soccer. -1 represents |
Game where opposing team won by 1 goal |
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39 b. What does graph tell us about how well team did in 2012 ? |
4 out of 25 values are positive which means they won 21/25= 84% of their games, tied 3/25 = 12% of games, and lost 1/25= 4% of their games |
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41. Dates on coins. The distribution of dates would be skewed to the left. Why ? |
Coins get older they are taken out of circulation and new coins are intro. Most coins in someone's pocket will be from recent years, but there may be few from previous years. |
