Read each scenario. Draw a rough histogram sketch (you do not need to label the axes), then decide if the histogram is skew left, skew right, or symmetric. Explain your interpretation.
1 In the United States, there are a few billionaires that have far greater incomes than the average (about $28,000).
Rough histogram sketch: |
Circle one: skew left skew right symmetric Explain your choice:
|
2 A school cafeteria mostly buys canned goods in huge sizes (48-64 ounces), but also purchases a few ingredients in smaller sizes.
Rough histogram sketch: |
Circle one: skew left skew right symmetric Explain your choice:
|
3 It’s just as likely for a newborn baby to be a certain number of ounces below the average weight (approximately 7.5 pounds) as it is to be that number of ounces above the average weight.
Rough histogram sketch: |
Circle one: skew left skew right symmetric Explain your choice:
|
4 At many restaurants, the busiest dinner time is around 7pm, but there are always a few people who want to eat earlier or later.
Rough histogram sketch: |
Circle one: skew left skew right symmetric Explain your choice:
|
These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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