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Vlad1618 [11]
3 years ago
10

What chronic use include lung cancer memory impairment decreased blood flow to the brain and reduced oxygen

Health
1 answer:
irakobra [83]3 years ago
7 0
Buddy hicks
well hes fat no life and he talks bad about people
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A researcher is curious to find out what effect classical music has on people’s level of relaxation (as measured by heart rate).
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The independent variable is a variable that represents a quantity being manipulated in an experiment, the control group will be the group that did not hear the music, and the experimental group the group that heard the song.

<h3>Independent variable</h3>

An independent variable is a variable that represents a quantity being manipulated in an experiment.

xxx is often the variable used to represent the independent variable in an equation.

<h3>Dependent variables</h3>

A dependent variable represents a quantity whose value depends on how the independent variable is manipulated.

yyy is often the variable used to represent the dependent variable in an equation.

<h3>Confounding variable</h3>

It is a variable that influences both the dependent variable and the independent variable, causing a spurious association. The confounding variable is a causal concept and as such cannot be described in terms of correlations or associations.

With this information, we can conclude that, The control group are people who have not heard the music, the experimental group are those who heard the music, and the hypothesis is that music can change people's heart rate.

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