Question

the questions below. the legend for the lines is below the graph.
baby name popularity by year

in one year, one of the baby names was more popular than any other baby name was during 2001 - 2007. which baby name was that?
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in which year did abigail have its lowest popularity?
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in which year did abigail and henry have approximately the same popularity?
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which baby name had the largest single year decrease in popularity?
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which baby name had the largest increase in the popularity in 2001 to the popularity in 2007?
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Explanation:

1. For the highest peak: Identify the tallest single data point across all lines; Emily's 2006 point is the highest.
2. For Abigail's lowest popularity: Locate the lowest point on Abigail's (blue) line, which is in 2002.
3. For matching popularity: Find where Abigail's and Henry's lines intersect, which occurs in 2002.
4. For largest single-year decrease: Compare the downward slopes of all lines; Henry's drop from 2006 to 2007 is the steepest.
5. For total 2001-2007 increase: Calculate the change from 2001 to 2007 for each name. Henry starts lowest in 2001 and ends higher, showing the largest net increase.

Answer:

1. Emily
2. 2002
3. 2002
4. Henry
5. Henry