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JulijaS [17]
3 years ago
10

Statistics is the science of collecting, organizing, summarizing, and analyzing information to draw a conclusion and answer ques

tions. In addition, statistics is about providing a measure of confidence in any conclusions.
1. collection of info.
2. organization and summarization of info.
3. analyze info to draw conclusion or answer specific questions.
4. results should be reported with some measure that represent how convinced we are that our conclusion reflect reality.
Mathematics
1 answer:
Elena L [17]3 years ago
5 0

Answer:

4.results should be reported with some measure that represent how convinced we are that our conclusion reflect reality

Step-by-step explanation:

Certainly statistics deals with organization, evaluation and data conclusions. But the data is always obtained from representative samples of certain universes for that reason those results must be associated with the degree of confidence

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Two trains leave New York at the same time heading in opposite directions. Train A travels at 4/5 the speed of train one. After
grandymaker [24]
<h3>Answer:  </h3><h3>speed of train A = 44 mph</h3>

=============================================

Work Shown:

x = speed of train A

y = speed of train B

"train A travels 4/5 the speed of train B" (I'm assuming "train one" is supposed to read "train B"). So this means x = (4/5)y

distance = rate*time

d = x*7

d = (4/5)y*7 = (28/5)y represents the distance train A travels

d = y*7 = 7y represents the distance train B travels

summing those distances will give us 693

(28/5)y + 7y = 693

5*(  (28/5)y + 7y ) = 5*693

28y + 35y = 3465

63y = 3465

y = 3465/63

y = 55

Train B's speed is 55 mph

4/5 of that is (4/5)y = (4/5)*55 = 4*11 = 44 mph

Train A's speed is 44 mph

8 0
3 years ago
How to Divide 986 by 26 by using partial quotients
Debora [2.8K]
Wouldnt be 36.7 or no i underlined 7 because it never ends
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3 0
3 years ago
Read 2 more answers
How many sides has an equiangular polygon if one of its exterior angles is 25 5/7?
lys-0071 [83]
Step One
Figure out the interior angle
25 5/7 = 25.714285 repeating. The interior angle is the supplement of this angle.

180 - 25.714285 = 154.2857
The formula relating the number of sides and the interior equal angle is

interior equal angle = 180 ( 1 - 2/n) where n is the number of sides. (Google equiangular polygon to find this formula.)

154.2857 / 180 = 1 - 2/n) 
0.8571428 = 6/7 = 1 - 2/n
1/7 = 2/n
n = 14 sides
This figure is regular as well as equiangular.
6 0
3 years ago
Tom has 2 more than 5 times the number of CD’s that Jane has. Jane has 5 CD’s. Write an
Soloha48 [4]

Step-by-step explanation:

t=2+5×j

j=5

t=2+5×5

t=27

3 0
3 years ago
Read 2 more answers
Sally went school shopping she had a budget of 10.00 she bought a pen for 1.75 and a paper for 1.33 her change was 6.08 how much
irakobra [83]

Answer:

$0.84

Step-by-step explanation:

1. find total cost of both the pen and paper

  • $1.75 + $1.33 = $3.08

2. find the amount Sally spent

  • $10 - $6.08 = $3.92

3. find cost of ruler

  • $3.92 - $3.08 = $0.84
4 0
3 years ago
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