1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeka94
2 years ago
8

Students reported practicing violin during the last semester for 45, 38, 52, 58, and 42 hours. What is the mean absolute deviati

on for the number of hours students practiced the violin? Round to the nearest tenth. 6. 4 6. 8 32 47.
Mathematics
1 answer:
Irina-Kira [14]2 years ago
8 0

The mean absolute deviation for the number of hours students practiced the violin is 6.4.

<h3>What is the mean absolute deviation?</h3>

The average absolute deviation of the collected data set is the average of absolute deviations from a center point of the data set.

Given

Students reported practicing violin during the last semester for 45, 38, 52, 58, and 42 hours.

The given data set is;

45, 38, 52, 58, 42

Mean Deviation = Σ|x − μ|/N.

μ = mean, and N = total number of values

|x − μ| = |45 − 47| = 2

|38− 47| = 9

|52− 47| = 5

|58− 47| = 11

|42− 47| = 5

The mean absolute deviation for the number of hours students practiced the violin is;

\rm Mean =\dfrac{2+9+5+11+5}{5}\\\\Mean=\dfrac{32}{5}\\\\Mean = 6.4

Hence, the mean absolute deviation for the number of hours students practiced the violin is 6.4.

To know more about mean value click the link given below.

brainly.com/question/5003198

You might be interested in
The probability of being a girl in this class is 4/7 and there are 12 boys. Find the total number of students.
Ratling [72]

Answer:

ritiiritirie8384838484838484743762637447484384r8rititurhrhdjd

3 0
3 years ago
Solve for x. please i need know
miss Akunina [59]

Answer:

x = 18

Step-by-step explanation:

Vertically opposite angles are equal.

x + x + x + 90 = 144

         3x + 90 = 144  

Subtract  90 from both sides

                 3x = 144 - 90

                 3x = 54

Divide both sides by 3

                   x = 54/3

x = 18

4 0
3 years ago
For all values of x, which expression is equivalent to 2x + 5 − x + 3x + x − 2?
koban [17]

Answer:

5x + 3

Step-by-step explanation:

1) Collect like terms.

(2x − x + 3x + x) + (5 − 2)

2) Simplify

5 x + 3

4 0
3 years ago
Read 2 more answers
5. Show and prove why (xyz)to the power of 4=x to the power of 4 +y to the power of 4+z to the power of 4
Mkey [24]

Answer:

4

Step-by-step explanation:

i dobt even know

5 0
3 years ago
This is a bit confusing for me. I understand how the whole X axis and Y axis works, and various graphs, but for some reason the
Dafna1 [17]
Your coordinates are (x,y), here you just need to figure what 'x' is given that 'y' is equal to -3. So, just plug in -3 for 'y' in the equation and then solve for 'x', like so: 4x + 5(-3) = -7 ... then just use algebra to solve for what 'x' has to be. Hope this helps!
7 0
3 years ago
Other questions:
  • There are 40 players on a basketball team 25% of the players did not like their position how many player did like there position
    11·1 answer
  • The population of a city is expected to increase by 7.5 percent next year .if p repressents he current population which expressi
    7·1 answer
  • Walter buys a bus pass for $30. Every time he rides the bus, money is deducted from the value of the pass. He rode 12 times and
    14·1 answer
  • Samantha deposit 300 in an account that earns an annual interest rate of 2.5 after nine months she computes the simple interest.
    15·1 answer
  • Jada, Lin, and Elena are saving money for a trip. Together they saved $120. Jada saved $20 less than Lin. Lin saved 3 times as m
    10·1 answer
  • Someone answer if it's correct I am going to give you brainliest
    11·2 answers
  • DO NOT SEND ME LINKS OR PDFS I WILL REPORT ANSWER CORRECTLY TO GET BRAINLIEST
    11·2 answers
  • Inscribed angles math lib<br> Need help with 5, 6, 7, 8 thank you !!!
    10·1 answer
  • If the length and width of a rectangle are tripled, the area of that rectangle will increase by what percentage? A) 9% B) 90% C)
    13·1 answer
  • Solve the system of equations: <br> x+3y-z=9 <br> 2x+9y+4z=12 <br> x+4y+z=7
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!