The piece of evidence that best supports a written argument encouraging students to eat less candy is : ( C ) numerous health issues are connected to sugar consumption
<h3>Effect of sugar on our health </h3>
The piece of evidence "numerous health issues are connected to sugar consumption" will best discourage the consumption of candy as they contain a significant amount of sugar which will pose a threat our health. Every student want a healthy life therefore this evidence will encourage them to eat less candy.
Hence we can conclude that The piece of evidence that best supports a written argument encouraging students to eat less candy is : ( C ) numerous health issues are connected to sugar consumption
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-6y + 11x = -36....multiply by 4
-4y + 7x = -24....multiply by -6
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-24y + 44x = - 144 (result of multiplying by 4)
24y - 42x = 144 (result of multiplying by -6)
----------------add
2x = 0
x = 0
-4y + 7x = -24
-4y + 7(0) = -24
-4y = -24
y = -24/-4
y = 6
solution is (0,6)
<h3>
Answers: Choice B and Choice C</h3>
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Explanation:
The symbol
or mu represents the population mean, which is a parameter.
The symbol
or sigma represents the population standard deviation, which is also a parameter. The same goes for the symbol p, without any hat on top, as it is the population proportion.
If something represents a population data item, then it's automatically a parameter. It might help to think both words "population" and "parameter" start with the letter P.
Based on those previous paragraphs, we can rule out choices A, D and E. Those three items are parameters. This leaves <u>choices B and C</u> as our final answers.
or xbar is a sample statistic, and it represents an estimate of the population mean. Similarly,
or p-hat is the sample proportion and it represents an estimate of the population proportion. These are considered unbiased estimators.
Another example of an unbiased estimator is the variable s which represents the sample standard deviation and it estimates the value of sigma. All of these estimators have one thing in common: they are based on a sample, which in turn tries to predict what the corresponding population value is. In other words, the statistic's job is to estimate the parameter.
Below is a reference table for all of the items mentioned.
The building of a hacker rank is one that cost a lot of money and as such the minimum cost is 4.
What is the minimum cost?
The minimum cost is the lowest cost that is needed to complete a building. It depends on:
- The cost of each type of house to be built (e.g. cost of a wood house, cost of a brick house, etc.)
- The number of the type of house to be built e.g. 2 03 3 or even more.
When one is given input such as : [[1,2,3],[1,2,3],[3,3,1]] (the values in column stands for the cost of materials)
The output : 4
So you have to:
Select material-1 of cost 1 in first house(row)
Select material-2 of cost 2 in second house(row)
Select material-3 of cost 1 in third house (row)
total = 1+2+1 -> 4
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