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What is the relationship between two data sets when their data values increase or decrease together?
It is a positive relationship.
When two variables increase or decrease together in the same ratio they?
Are in direct proportion
What does it mean if two variables have a positive correlation?
If the correlation is positive, as one increases so does the other.
What indicates the direction of a relationship in a linear function?
The slope of the line. A positive slope shows that the two variables increase or decrease together. A negative slope indicates they move in opposite directions. A slope of 0 indicates that the "dependent" variable has the same, constant, value whatever value the independent variable takes.
Why does a correlation not establish a casual relationship between two variables?
Correlation only establishes the fact that the two variables in question change together - either one increases as the other decreases or they both increase together. It is possible that changes in the first cause changes in the second, or that changes in the second cause changes in the first, or that there is some third variable that is causing changes in both. For example, consider an infant and measure its height and vocabulary from age 2 to age 8. In normal circumstances these two variables (height and number of words he or she knows) increase together. But that does not mean that either of these factors causes the other. The obvious culprit here is time or age. Another possible, but less important factor may be nutrition. Whatever! The main point is greater height does not increase the child's vocabulary not does an increased vocabulary increase its height.
What is the relationship between two quantities that increase or decrease together?
Direct variation
The relationship between two quantities that increase or decrease together is called what?
The relationship between two quantities that increase or decrease together is called a positive correlation. This means that as one quantity increases, the other quantity also increases, and vice versa.
4 kinds of relationships between the physical quantities?
Direct relationship: When two quantities increase or decrease together. Inverse relationship: When one quantity increases while the other decreases. Linear relationship: When the relationship between the quantities can be represented by a straight line. Nonlinear relationship: When the relationship between the quantities cannot be represented by a straight line.
What is the relationship between two data sets when their data values increase or decrease together?
It is a positive relationship.
What is the relationship between two quantites that increase or decrease together called?
If they increase or decrease exactly, then the constant of proportionality or coefficient of proportionality. If not exactly, then a correlation coefficient.
The relationship between two quantites that increase or decrease together is called?
Variation in direct proportion.
Where one quantity increases the other one also increase?
When two quantities increase or decrease together, they exhibit a positive correlation. This means that as one quantity rises, the other also goes up, and vice versa. Positive correlation indicates a relationship in which both variables move in the same direction.
What fo you call direct relationship in which two factors increase or decrease together?
A direct relationship in which two factors increase or decrease together is called a positive correlation. In this scenario, as one variable rises, the other variable also rises, and similarly, if one falls, the other falls as well. This relationship is often represented graphically with an upward-sloping line.
How will a pressure increase affect a gaseous system?
According to Boyle's Law of Pressure-Volume Relationship, an increase in the pressure of a gas will decrease it's volume. And according to Charles's Law of Temperature-Pressure Relationship, an increase in pressure causes an increase in temperature.
Can the removing of energy increase the volume of a substance because the molecules come closer together?
No. It can increase the volume in some cases, but not BECAUSE the molecules come closer together. If the molecules come closer together, the volume will DECREASE.
What is a relationship between two variables in witch the data do not increase or decrease together at the same rate?
A relationship between two variables in which the data do not increase or decrease together at the same rate is known as a non-linear relationship. In this type of relationship, the rate of change between the variables can vary, leading to a situation where one variable may change significantly while the other changes little, or vice versa. This can often be represented by a curve rather than a straight line on a graph. Non-linear relationships are common in many real-world scenarios, such as in economics or biology.
When two variables increase or decrease together in the same ratio they?
Are in direct proportion
