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denis23 [38]
1 year ago
8

Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?

Mathematics
2 answers:
Alisiya [41]1 year ago
8 0

When the effects of two or more explanatory factors cannot be distinguished, confounding occurs in a research. As a result, any relationship that could exist between an explanatory variable and the response variable could be the result of one or more other factors that were not taken into consideration during the investigation.

<h3 /><h3>What is lurking variable?</h3>

Looming variables are unknown and uncontrollable elements that significantly affect the variables of concern. They may provide the appearance that the connection between the dependent and independent variables is different than it is, despite the fact that they are inconsequential factors. In other words, the influences will distort your results. You will get false results from whatever correlation or regression analysis you perform. How misleading these analyses are will rely on how much the hidden variables affect the dependent variable.

To know more about lurking variable, visit;

brainly.com/question/13285819

#SPJ4

miss Akunina [59]1 year ago
6 0

Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?

Answer:

A Confounding is the variable that is considered in a research study, and could overall influence the relations between the variables in the study. For example, students wanting to join AP English next semester were told to write a six page essay. When the students turned in their papers and teachers say the difference and grades they believed that the variable was the time that the students handed in the paper. They thought that if the student handed in their paper later than another student that they would receive a lower score, but this was not the case. When asking the students how they prepared for the paper, students replied with different answers. Those who outlined and used other literature for reference scored much higher than those who only used prior knowledge to write their essays. In this study, the lurking variable would be the presence of an outline.

Lurking variable: A variable that is not considered in a research study that could influence the relations between the variables in the study

Confounding variable: A variable that is considered in a research study that could influence the relations between the variables in the study

To Know more about Confounding Variable

brainly.com/question/28481575

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6 0
3 years ago
The sum of two numbers is 17. Their difference is 3. Find the numbers.
Afina-wow [57]

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Step-by-step explanation:

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2 years ago
Read 2 more answers
If 541 people use the swimming pool and children pay 1.75 dollars and adults pay 2.25 and in total earned was 1041.25 how many c
Zina [86]

Answer:

352 children

Step-by-step explanation:

Solve algebraically using a system of equations

Assign variables

let "a" be the number of adults

let "c" be the number of children    <-- We want to find this

a + c = 541             Equation for number of people

2.25a + 1.75c = 1041.25           Equation for money

<u>Rearrange the equation for people</u>. Isolate the variable you don't want to find.

a = 541 - c

<u>Substitute</u> "541 - c", replacing "a", in the equation for money

2.25a + 1.75c = 1041.25              

2.25(541 - c) + 1.75c = 1041.25               Distribute over brackets

1217.25 - 2.25c + 1.75c = 1041.25               Collect like terms

1217.25 - 0.5c = 1041.25                   Simplified equation

<u>Start isolating "c".</u> Move anything that's not "c" to the right side. Move numbers in reverse BEDMAS order. That means we will add/subtract before dividng/multiplying. When moving a number, do its reverse operation to the entire equation.

1217.25 - 0.5c = 1041.25      Do the reverse of positive 1217.25

1217.25 - 1217.25 - 0.5c = 1041.25 - 1217.25    Subtract 1217.25 on both sides  

-0.5c = -176               Do the reverse of multiplying by -0.5

-0.5c/-0.5 = -176/-0.5               Divide both sides by -0.5

c = 352                Number of children

Therefore, there were 352 children in the pool.

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3 years ago
What number best completes both equations? 5/7÷1/3=? ?×1/3=5/7
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Consider the given equations:

The first equation is as:

\frac{5}{7} \div \frac{1}{3} = ?

So, \frac{5}{7} \div \frac{1}{3}

= \frac{5}{7} \times \frac{3}{1}

Multiplying the given fractions, we get as

= \frac{15}{7}

Now, consider the second equation as:

? \times \frac{1}{3} = \frac{5}{7}

Multiplying by '3' to both the sides of the equation, we get

? \times \frac{1}{3} \times 3 = 3 \times \frac{5}{7}

? = \frac{15}{7}

So, the number which best completes both the equations is \frac{15}{7}.

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