Question

based on the pattern of data in the graph, which of the following best explains the difference in the spread of disease in region a compared to region b?
o a. both regions experienced a decline in cases after the third week.
o b. region b had more cases overall then compared to region a.
o c. region a saw a steady increase in cases, while region b saw a decline in cases.
o d. both regions experienced an identical rate of increase in the number of cases over time.

Explanation:

• Analyze each option:
• Option A: The graph shows an increase in cases for both regions after the third - week (the lines go up), so this option is incorrect.
• Option B: By comparing the heights of the blue line (Region B) and red line (Region A) at each week, we can see that Region B has more cases overall.
• Option C: Region A (red line) has an increasing trend, but Region B (blue line) also has an increasing trend, not a decline.
• Option D: The slopes of the two lines (which represent the rate of increase) are different. The blue line (Region B) has a steeper slope in the first three weeks and a different slope in the last week compared to the red line (Region A).

Answer:

B. Region B had more cases overall then compared to Region A.