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Daniel [21]
3 years ago
7

Students in 7th grade took a standardized math test that they also had taken in 5th grade. The collected data showed that in two

years the median increased by three points, and the mean increased by around two and a half points. In terms of the context, what can you infer?
Mathematics
2 answers:
Arada [10]3 years ago
6 0
<span>In general, the students increased their standardized math scores from 5th grade to 7th grade. The students might be more familiar with the exam and they have learned more in their math classes.</span>
Svetllana [295]3 years ago
5 0

Answer:

Step-by-step explanation:

Given that

Students in 7th grade took a standardized math test that they also had taken in 5th grade. The collected data showed that in two years the median increased by three points, and the mean increased by around two and a half points. In terms of the context,

This proves that there is overall improvement in the grades of students.

But there is a small difference between mean increase and median increase.

While median increased 3 points, mean increased only by 2.5 points.  This implies there exists unusually low level iq students who had unusually low score thus affecting mean to be low.

Special training should be given to those students.

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A drainage pipe 66 in. tall measures 25.12 in. around.
Schach [20]
In order to solve this using V= B(h) (The B is area of the base) you need a radius it doesn't give us that but it does give us the circumference. 
C= 3.14(2r)
25.12=2r divide each by 2 
12.56=r
now use this in the volume formula:
V= 12.56^2(3.14)(66)
V=32,692.86 cubic inches 
8 0
3 years ago
Only t circled ones somebody plz help I am gonna get a 0 plz help I will give you brainleist
Vikki [24]

Step-by-step explanation:

1) A number <em>m</em> is at least four

<em>m ≥ 4  ['at least' = ≥ symbol]</em>

<em />

2) 4x  ≤ 20x; x=2

4(2) ≤ 20(2)

8 ≤ 40

[Im not sure if this is a solution or and inequality :/ ]

3)  x < 5

--> On the line, draw the number 0, and the number five. 'x < 5' also means 'x is less that five.' So, draw a dot over the line before 5, and make an arrow going to the left of the page,

<-----------------------------------o   5

<---|---|---|---|---|---|---|---|---|---|---|---|---|---|--->

                          0

Hopefully this helps! :)

4 0
3 years ago
Solve: 36x = 216 Step 1: 6x+2 = 216 Step 2: 6x+2 = 63 Step 3: x + 2 = 3 Step 4: x = 1 Hilary is solving the problem. If she made
NNADVOKAT [17]
Well the answer options are a bit confusing but the steps are 1, 2, & 3.
7 0
3 years ago
In the figure above, square ABCD and triangle EFG have the same areas. If AB =6 and EG =8, what is the height o triangle EFG?
lawyer [7]

Answer:

The height of triangle EFG is 9 units

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the area of a square ABCD

The area of a square is equal to

A=b^2

where

b is the length side of the square

we have

b=AB=6\ units

substitute

A=6^2=36\ units^2

step 2

Find the height of triangle EFG

The area of triangle EFG is equal to

A=\frac{1}{2}(b)(h)

where

b is the base of triangle

h is the height of triangle

we have

b=EG=8\ units

A=36\ units^2 ---> area of triangle EFG is the same that the area of square ABCD

substitute the given values in the formula

36=\frac{1}{2}(8)(h)

solve for h

36=4h\\h=9\ units

therefore

The height of triangle EFG is 9 units

3 0
3 years ago
Write the number that is two hundred thousand greater than: 2,136,280
lisabon 2012 [21]

Answer:

400 points for you

Step-by-step explanation:

8 0
2 years ago
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