Questions: A sample of 55 streams in severe distress was obtained during 2007. The following is a bar graph of the number of streams that are from the Northeast, Northwest, Southeast, or Southwest. In the bar graph, the bar for the Northeast has been omitted. The number of streams from the Northeast is 1. 15 2. 25 3. 35 4. 45

A sample of 55 streams in severe distress was obtained during 2007. The following is a bar graph of the number of streams that are from the Northeast, Northwest, Southeast, or Southwest. In the bar graph, the bar for the Northeast has been omitted. The number of streams from the Northeast is 1. 15 2. 25 3. 35 4. 45
Transcript text: A sample of 55 streams in severe distress was obtained during 2007 . The following is a bar graph of the number of streams that are from the Northeast, Northwest, Southeast, or Southwest. In the bar graph, the bar for the Northeast has been omitted. The number of streams from the Northeast is 1. $\square$ 15 2. $\square$ 25 3. $\square$ 35 4. $\square$ 45
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Solution

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Solution Steps

Step 1: Identify the total number of streams

The total number of streams in severe distress is given as 55.

Step 2: Sum the number of streams from the visible regions

From the bar graph:

  • Southeast: 10 streams
  • Southwest: 25 streams
  • Northwest: 10 streams

Sum of streams from visible regions: \[ 10 + 25 + 10 = 45 \]

Step 3: Calculate the number of streams from the Northeast

Subtract the sum of streams from the visible regions from the total number of streams: \[ 55 - 45 = 10 \]

Final Answer

The number of streams from the Northeast is 10.

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