Find the Average Without Calculating: Numbers 133, 106, 176, 126, 199

Without calculating, choose the average of the following group of numbers:

133,106,176,126,199 133,106,176,126,199

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Step-by-step video solution

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00:00 Mark the appropriate average, without calculating
00:05 Let's plot the numbers on the number line
00:28 The average should be approximately in the middle of the numbers
00:38 This option cannot be the average because it's too small
00:45 This number is also not suitable, too large
00:55 This option is exactly in the middle
01:01 This option cannot be the average because it's too small
01:06 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Without calculating, choose the average of the following group of numbers:

133,106,176,126,199 133,106,176,126,199

2

Step-by-step solution

To solve this problem, we'll visually estimate a balance of the numbers provided:

  1. First, identifying the extremities: - The lowest number is 106 106 - The highest number is 199 199 .
  2. The middle range involves 126 126 , 133 133 , and 176 176 , which cluster around 148 148 .
  3. Although 199 199 and 106 106 stretch the average, 133 133 and 126 126 counteract 176 176 's high point.
  4. Thus, balancing these extremities by approximating allows 148 148 to emerge as a logical middle value.
  5. Therefore, the estimated average that best represents the centrality of these numbers is 148 148 .

Accordingly, we choose 148 as the best estimate for the average, which is represented by Choice 3: 148 148 .

3

Final Answer

148

Practice Quiz

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Calculate the average of \( 10 \) and \( 12 \).

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