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Radda [10]
3 years ago
9

Explain the importance of graphs in interpreting data.

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0
The graph is important especially for the people who presenting something like the businessman or marketing personnel. The graphs summarizes the raw data and presents it into a diagram for the people to be easily comprehend. It allows to us to see the relationship between the variables.
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If stratified random sampling with proportional allocation is used to select a sample of 25 high​ schools, how many would be sel
gregori [183]

Answer:

02 High Schools would be selected from the stratum with a​ percent-free-lunch value of 40 less than or equals x​.

Step-by-step explanation:

As the sample size needed is 25 and total schools are 100 so this indicate 1 school in each 4 schools is to be selected. This is given as

n=\frac{n_{total}}{n_{sample}}\\n=\frac{100}{25}\\n=4

Now as the schools with percent free lunch are 8 so now

n=\frac{n_{total}}{n_{sample}}\\n=\frac{8}{2}\\n=2

So only 2 schools will be selected in this regard.

7 0
3 years ago
Solve the proportion
Vanyuwa [196]

W is equal to 19/4 or 4.75

Hope this helps! :)

7 0
2 years ago
Find the diameter of a cone that has a volume of 104.67 cubic inches and a height of 4 inches. Use 3.14 for pi. 4 inches 6 inche
aleksandr82 [10.1K]
V:  volume of a cone = (πr²h)/3 = 104.67 in³
π:  pi = 3.14
r:  radius = 1/2 diameter = [unknown]
h:  height = 4 in

V = (πr²h)/3
V = r²(πh)/3

r² = (3V)/(πh)
r² = (3 ×104.67)/(3.14 × 4)
r² = 25

r = √25
r = 5  (but remember the radius is only 1/2 the diameter)

thus . . . 

<u><em>d = 10 in </em></u>
8 0
3 years ago
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A cylinder has a base radius of 6ft and a height of 18ft. What is its volume in cubic ft, round to the nearest tenth?
Nookie1986 [14]

Answer:2034.7

Step-by-step explanation:

The equation is pi •r^2•h

R=6

H=18

3 0
3 years ago
A professional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of
noname [10]

Answer:

The answer is A). I took the test on usatestprep

Step-by-step explanation:

4 0
3 years ago
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