Questions: The graph below shows two black bars. Adjust the light bar so that it has the mean height of the two black bars.

The graph below shows two black bars. Adjust the light bar so that it has the mean height of the two black bars.
Transcript text: The graph below shows two black bars. Adjust the light bar so that it has the mean height of the two black bars.
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Solution

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Solution Steps

Step 1: Find the height of each black bar

The smaller black bar is approximately 4 units tall. The taller black bar is approximately 12 units tall.

Step 2: Calculate the mean height

The mean height is (4 + 12)/2 = 8 units.

Step 3: Adjust the light bar

The light bar should be adjusted to a height of 8 units.

Final Answer The mean bar height is 8 units. The light grey bar needs to be adjusted to be 8 units high.

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