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andrezito [222]
2 years ago
10

What is the mean absolute deviation of this data set? 26, 31, 32, and 39

Mathematics
1 answer:
Nezavi [6.7K]2 years ago
4 0

Answer:

3.5

Step-by-step explanation:

26, 31, 32, and 39

First we need to find the mean

(26+ 31+ 32+ 39) /4

128/4 = 32

The mean absolute deviation is sum of   the positive difference between the number and the mean  divided by the number of terms

((32-26)+ (32-31)+ (32-32)+ (39-32)) /4

14/4

3.5

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5 0
3 years ago
Two equations are listed below. Solve each equation and compare the solutions. Choose the statement that is true about both solu
enyata [817]
<span>|5x − 6| = −41  it has no solutions because module ( abs value) cannot be negative

|7x + 13| = 27          -(7x+13)=27
7x+13=27                 -7x-13=27
7x=14                       -7x=40
x=2                            x=-40/7

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8 0
3 years ago
Help SOS LOTS OF SOS
Galina-37 [17]

Answer:

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8 0
3 years ago
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There are 18 girls in Mr. Wilson's math class. It 60% of the students are girls, how many total students are in Mr.
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Step-by-step explanation:

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A perfect score on a test with 25 questions is 100. Each question is worth 4 points. Fred got a score of 84 on the test write a
ICE Princess25 [194]
Given:
perfect score- 100
number of questions of the test- 25
worth of each question- 4 points
Fred's score- 84
n- number of questions Fred had answered incorrectly.

solution:
solve for n
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(100 ÷ 4 ) -  ( 84 ÷ 4 ) = n
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4= n

therefore, Fred had answered 4 test questions incorrectly.



6 0
3 years ago
Read 2 more answers
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