All categories

3 years ago

What is the mean absolute deviation of her math scores? 5.4 6.4 7.8. o 8.8

Mathematics

1 answer:

lara [203]3 years ago

3 0

Answer:

The mean absolute deviation (MAD) of her Math scores would be 1.2.

Step-by-step explanation:

Mean: 5.4 + 6.4 + 7.8 + 8.8 = 28.4/4 = 7.1

7.1 - 5.4 = 1.7

7.1 - 6.4 = 0.7

7.1 - 7.8 = 0.7

7.1 - 8.8 = 1.7

Mean Absolute Deviation: 1.7 + 0.7 + 0.7 + 1.7 = 4.8/4 = 1.2

hope this helps :)

You might be interested in

YeS mOrE 9Th GrAdE mAtH (question for smart people)

spin [16.1K]

Answer:

A. 4x+13

Step-by-step explanation:

distribute the 4

(4x+20) -7

4x+13

5 0

3 years ago

Read 2 more answers

I need help!!! Please help ASAP!

zhannawk [14.2K]

180 ≥ 45 + 15x

-45 -45

135 ≥ 15x

9 ≥ x

x ≤ 9

Answer: D

66 < 2x + 28

-28 -28

38 < 2x

19 < x

x > 19

Answer: C the answer could also be B

11 < 5 + 2x

-5 -5

6 < 2x

3 < x

x > 3

Answer: E the answer could also be A, B, and C

-30 ≥ 6 - 4x

-6 -6

-36 ≥ -4x

9 ≤ x

x ≥ 9

Answer: A

$\frac{x}{12}$ - 4 ≥ 5

+ 4 + 4

$\frac{x}{12}$ ≥ 9

12 $(\frac{x}{12})$ ≥ 12(9)

x ≥ 108

Answer: B

8 0

3 years ago

Describe the location of the point having the following coordinates. positive abscissa, positive ordinate Quadrant I Quadrant II

asambeis [7]

The abscissa is the x coordinate whereas the ordinate is the y coordinate. Both x and y are positive in the first quadrant only.

8 0

3 years ago

There are 4 types of the questions on Mrs. Moore's English final exam. The percent of each type of the question is shown in the

Verdich [7]

Jesse, to answer this, we need to see the graph. I'd help if I could! You can message me if you post it! :D

7 0

3 years ago

B) A car priced at $3600 is reduced by 25%. What is the reduced price?

gavmur [86]

3600:25 =144

reduced price is 144$

8 0

3 years ago