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mash [69]
4 years ago
7

Mrs. Alberts has taught seventh grade math for thirty years. Every year she calculates and records the class average on the fina

l exam. The following dot plot represents these average scores from the past thirty years.
Calculate the mean of the average scores and round this value to the nearest whole number. Then, calculate the mean absolute deviation of the scores (using the rounded mean) and round it to the nearest whole number, as well. Express your answer as a numerical value.
MAD=

Mathematics
1 answer:
sdas [7]4 years ago
5 0

Answer:

2

Step-by-step explanation:

89.633333333333

Mean Absolute Deviation (MAD): 2.0755555555556

rounding these both you get 90 and 2.

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3 years ago
The sum of two numbers is 64 and the difference is 6. What are the numbers?
Ne4ueva [31]

Answer:

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Step-by-step explanation:

x+y=64

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Can someone please help me show my work for 6. And 7. I really need help and haft to show how I got the answers I’ll give the br
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Answer7
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Type the correct answer in each box. Use numerals instead of words. Consider this expression. (x+5)(x-7) Complete the box to sho
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