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Verdich [7]
3 years ago
11

A survey asked eight students about weekly reading hours and whether they play musical instruments. The table shows the results

of the survey. Weekly Reading Hours Hours of Reading if Student Plays an Instrument Hours of Reading if Student Does Not Play an Instrument Student 1 16 Student 2 18 Student 3 15 Student 4 15 Student 5 2 Student 6 2 Student 7 4 Student 8 8 Which statements about the data sets are true? Check all that apply. The data for the group that plays an instrument are more spread out than the data for the group that did not play an instrument. The data for the group that plays an instrument are more clustered around the mean than the data for the group that did not play an instrument. The mean absolute deviation for students who play an instrument is 1. The data for the group that does not play an instrument are more spread out than the data for the group that does play an instrument The mean absolute deviation for the group of students who do not play an instrument is 2. The data for the group that does not play an instrument are more clustered around the mean than the data for the group that does play an instrument.
Mathematics
1 answer:
jenyasd209 [6]3 years ago
6 0

Answer:

B C D E

Step-by-step explanation:

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There are 46 legs in a zoo exhibit every animal has either two or four legs the number of two legged animals is 2 more than the
aalyn [17]

Answer:the number of 2 legged animals in the zoo is 9

the number of 4 legged animals in the zoo is 7

Step-by-step explanation:

Let x represent the number of 2 legged animals in the zoo.

Let y represent the number of 4 legged animals in the zoo.

There a 46 legs in the exhibit in the zoo. This means that

2x + 4y = 46 - - - - - - - - - -1

There are 2 more 2 legged animals than 4 legged animals. This means that

x - 2 = y

Substituting y = x - 2 into equation 1, it becomes

2x + 4(x - 2) = 46

2x + 4x - 8 = 46

6x = 54

x = 54/6 = 9

Substituting x = 9 into x - 2 = y, it becomes

y = 9 - 2 = 7

8 0
3 years ago
What best describes the circumference of a circle.?
Len [333]
<span>The circumference of a circle is the length that the circle would occupy if it were opened and laid flat on a surface as a straight line. For this reason, when calculating the distance travelled in circular motion, the circumference is used. The cirumference is calculated using: C = 2*pi*radius</span>
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Broccoli coast $1.50 per pound at a store. How much money does 32 ounces of broccoli coast.[PLEASE HELP MEE]
sp2606 [1]

Answer: Idk

Step-by-step explanation:

8 0
4 years ago
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A cylinder has a base area of 169π cm2 . Its height is 4 cm more than the radius. Identify the volume of the cylinder. Round to
juin [17]
Check the picture below.

4 0
3 years ago
Given:<br> DBC = RST<br><br> Prove:<br> ABC &gt; RST
masya89 [10]

Answer:

<h3><ABC  >  <DBC.</h3>

Step-by-step explanation:

Given < DBC = < RST and we need to prove < ABC is greater than <RST.

First given statement:

< DBC = < RST

Reason: Given.

Second given statement :

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Reason: Angle addition theorem.

<em>Note: < ABC is the sum of angles <DBC and  <ABD and we have < DBC = < RST. So it's an obvious thing that the sum of angles <DBC and  <ABD is always greater than <RST.</em>

Also,  <ABC is greater than <DBC.

Therefore, correct option for third statement is :

<h3><ABC  >  <DBC.</h3>
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3 years ago
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