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Q: What is a density curve?
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What is the difference between a probability density curve and cummulative distribution function?

what is density curve


What does the total area under a density curve equal?

The integral of the density with respect to the variable against which the density is plotted, between the values at the ends of the curve. Since there is no information given as to what the density is plotted against, a more informative answer is impossible.


What is optical density on a ELISA standard curve?

In an ELISA standard curve, optical density is a measure of the amount of light absorbed by the sample at a specific wavelength. It is used to quantify the amount of target analyte present in the sample based on the relationship between the concentration of the analyte and the corresponding optical density readings on the standard curve. The optical density values are used to determine the concentration of the analyte in the unknown samples by interpolation or extrapolation from the standard curve.


What role does density play in nature?

Density is important in nature as it affects the distribution of living organisms and resources. Higher density can lead to increased competition for resources such as food and space, while lower density can allow for more space and resources for individuals. Density can also impact the functioning and stability of ecosystems, influencing factors like predation, disease transmission, and population dynamics.


Is a distribution symmetrical if the tails on both ends of the density curve that represents it are not close to identical?

false


A distribution is symmetrical if the tails on both ends of the density curve that represents it are close to identical?

false


Usefullness of ogive curve?

In statistics, the ogive curve is an approximation to the cumulative distribution function. It can be used to obtain various percentiles quickly as well as to derive the probability density function.


Species whose population follow a boom and bust curve are most affected by?

Density-independent factors


Species whose populations follow a boom-and-bust curve are most affected by .?

Density-independent factors


Is normal distribution symmetrical?

Yes. By definition. A normal distribution has a bell-shaped density curve described by its mean and standard deviation. The density curve is symmetrical(i.e., an exact reflection of form on opposite sides of a dividing line), and centered about (divided by) its mean, with its spread (width) determined by its standard deviation. Additionally, the mean, median, and mode of the distribution are equal and located at the peak (i.e., height of the curve).


How the total area under the normal curve is equal to one?

Please see the link under "legitimate probability density function".


What is a bh curve?

A graph showing the relation between the magnetic flux density B and the magnetizing force H , for a magnetic material.