1 year ago

X

Mathematics

1 answer:

beks73 [17]1 year ago

3 0

A, 71-32 is equal to 39
C, 85-46 is also equal to 39

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Find the MAD of this set of data.

barxatty [35]

Answer:

2.8

Step-by-step explanation:

The given data set is;

6, 12, 10, 9, 8, 6, 2, 4, 8, 15

The mean of this set is;

$\bar X=\frac{\sum x}{n}$

$\bar X=\frac{6+12+10+9+8+6+2+4+8+15}{10}$

$\bar X=\frac{80}{10}=8$

The mean absolute deviation is given by

$M.A.D=\frac{\sum |x-\bar X|}{n}$

$M.A.D=\frac{|6-8|+|12-8|+|10-8|+|9-8|+|8-8|+|6-8|+|2-8|+|4-8|+|8-8|+|15-8|}{10}$

$M.A.D=\frac{2+4+2+1+0+2+6+4+0+7}{10}$

$M.A.D=\frac{28}{10}$

$M.A.D=2.8$

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3 years ago

2) Michael is going on a 3150-mile drive. He needs to stop for gas every 320 miles. How many times will he need to stop?

cupoosta [38]

He will need to stop 9 times

8 0

2 years ago

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Valentin [98]

9514 1404 393

Answer:

A. -1 ≤ x ≤ 3

Step-by-step explanation:

The range is the horizontal extent of the graph--the set of x-values for which the function is defined. Here, the graph extends from x = -1 to x = 3, with both end points included. The range is ...

-1 ≤ x ≤ 3

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2 years ago

Find the product: −5(−3)(−3) A) −30 B) −45 C) 30 D) 45

morpeh [17]

Answer:

Step-by-step explanation:

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2 years ago

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Eamon is arranging 39 books on 3 shelves. If he puts the same number of books on each shelf, how many books will there be on eac

blagie [28]

39 times 3 = 117. Hope this helps

7 0

3 years ago