BIO401 Final Term Important Questions

Short question important bio401

Q1. Define Cut -point ?

A cut-point is a point of a connected space such that its removal causes the resulting space to be disconnected. If removal of a point doesn’t result in disconnected spaces, this point is called a non-cut point. For example, every point of a line is a cut-point, while no point of a circle is a cut-point. Define.

Q1. QUINTiLES.?

Economic Zoology:BIO401 mega questions FILE FOR FINAL TERM

Composed By Zainab Arshad

Each quintile count the total income, and divide by the number of cases in each quintile. In the above example the individuals in the poorest quintile earn an average of 2,500 while those in the highest quintile earn an average of 13500 2.

What is a quintile in statistics?

A quintile is a statistical value of a data set that represents 20% of a given population, so the first quintile represents the lowest fifth of the data (1% to 20%); the second quintile represents the second fifth (21% to 40%) and so on.

Q3. Define Location parameter.:?

The location parameter tells you where your graph is located. More specifically, it tells you where on the horizontal axis a graph is centered, relative to the standard normal model. … A location parameter of -10 moves the graph 5 units to the left of zero, at x = -5. 4.

Define dispersion?

Dispersion is a statistical term that describes the size of the distribution of values expected for a particular variable and can be measured by several different statistics, such as range, variance, and standard deviation.

Or

Dispersion is defined as the extent to which the Observations in the dataset are spread away from The central value. Measures of Dispersion are the methods that Convey information regarding the amount of Variability present in the set of data. If all the values in the data are the same then There is no dispersion. 5.

What is dispersion and its types?

In an optical medium, such as fiber,

Types

there are three types of dispersion, chromatic, modal, and material. Chromatic Dispersion. Chromatic dispersion results from the spectral width of the emitter. The spectral width determines the number of different wavelengths that are emitted from the LED. 6.

Measure of dispersion .?

(I)Absolute Measures of Dispersion.