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asambeis [7]
3 years ago
15

You scored the following grades on your first three math tests: 71, 78, 81. You only have one test remaining. What is the highes

t possible test average you can get? Question 3 options:
Mathematics
1 answer:
cluponka [151]3 years ago
3 0
Highest average would be if you got a 100 on the 4th test....add them all up and divide by 4.

330/4 = 82.5 or 83 would be the highest grade
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Represent the unknowns. 
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The data below show the weights, in pounds, of a group of professional football players.
monitta

Answer:

The Mean Absolute Deviation is 11

Step-by-step explanation:

Given:

325, 310, 289, 288, 285, 285, 285, 280, 280 and 273

Mean = 290

Required:

Calculate the Mean Absolute Deviation

Provided that we have the value of the mean to be 290 from the question; the following steps will calculate the Mean Absolute Deviation

Step 1: Subtract the mean weight from each weight

325 - 290 = 35

310 - 290 = 20

289 - 290 = -1

288 - 290 = -2

285 - 290 = -5

285 - 290 = -5

285 - 290 = -5

280 - 290 = -10

280 - 290 = -10

273 - 290 = -17

Step 2: Calculate the absolute value of the each results above

|35| = 35

|20| = 20

|-1| = 1

|-2| = 2

|-5| = 5

|-5| = 5

|-5| = 5

|-10| = 10

|-10| = 10

|-17| = 17

Step 3: Calculate the mean of the data above

Mean Absolute Value = \frac{35 + 20 + 1 + 2 + 5 + 5 + 5 + 10 + 10 + 17}{10}

Mean Absolute Value = \frac{110}{10}

Mean Absolute Value = 11

Hence, the Mean Absolute Deviation is 11

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