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What is the average (or mean) of these 9 scores?: 10, 11, 4, 7, 2, 7, 12, 8, 5Group of answer choices6697.332

Question

What is the average (or mean) of these 9 scores?: 10, 11, 4, 7, 2, 7, 12, 8, 5

Group of answer choices
669
7.33

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Solution

To find the average (or mean) of the given 9 scores, follow these steps:

  1. Add all the scores together: 10+11+4+7+2+7+12+8+5 10 + 11 + 4 + 7 + 2 + 7 + 12 + 8 + 5

  2. Calculate the sum: 10+11=21 10 + 11 = 21 21+4=25 21 + 4 = 25 25+7=32 25 + 7 = 32 32+2=34 32 + 2 = 34 34+7=41 34 + 7 = 41 41+12=53 41 + 12 = 53 53+8=61 53 + 8 = 61 61+5=66 61 + 5 = 66

    So, the sum of the scores is 66.

  3. Divide the sum by the number of scores (which is 9): 6697.33 \frac{66}{9} \approx 7.33

Therefore, the average (or mean) of these 9 scores is approximately 7.33.

This problem has been solved

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