Answer :
The difference between the actual number and approximate number of visitors at an average daily temperature of 50°F is about 90 with the approximate value lower than the actual number of visitors.
From the graph attached which shows the trend line which approximates the number of visitors for a given average temperature value.
- The approximate number of visitors predicted by the model at an average temperature value of 50°F is 250
- The actual number of visitors represented by the dot at an average temperature value of 50°F is about 340.
Therefore, the approximate value is about 90 visitors below the actual number of visitors at the zoo.
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