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DiKsa [7]
4 years ago
15

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
2 answers:
Galina-37 [17]4 years ago
6 0

Answer:

Mean  absolute deviation = 6.4

Step-by-step explanation:

Given : Data  45, 38, 52, 58, and 42 hours.

To find : What is the mean absolute deviation for the number of hours students practiced the violin? Round to the nearest tenth.

Solution : We have given that

45, 38, 52, 58, 42

Mean Deviation = Σ|x − μ|/N.

Where, x =  given values like 45,38...etc

           μ = mean .

       N  = total number of values .

We need to find mean = \frac{45+38+52+58+42}{5}

   Mean (  μ ) = 47.

|x − μ| = |45 − 47| = 2

|38− 47| = 9

|52− 47| = 5

|58− 47| = 11

|42− 47| = 5

Then Mean Deviation = \frac{2+9+5+11+5}{5}

Mean  absolute deviation = 6.4

Therefore ,Mean  absolute deviation = 6.4

antiseptic1488 [7]4 years ago
4 0
Your answer should be 6.4 if you attempt to solve this. I hope this helps your question!
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4 0
3 years ago
HELPPP PLEASEEE!!! Find the perimeter of ΔTAP with vertices T(1, 4), A(4,4), and P(3,0) to the nearest tenth unit.
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Answer: 11.6 units.


Step-by-step explanation:

1. Plot the points as you can see in the graph attached.

2. As you can see, the lenght <em>TA</em> is 3 units.

3. Apply the formula for calculate the distance between two points, to calculate the length<em> TP</em> and <em>TA.</em> The formula is:

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6 0
3 years ago
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