CHAPTER 5 Flashcards
(5 points) Give the 5 methods of sampling to br used.
- Simple random sampling
- Quota sampling
- Purposive sampling
- Total sampling
- Systematic sampling
This is a value that stands for all the values from which it is
derived.
Mean
It is a measure of the middle variate. This value divides the total number of
samples by one-half.
Median
This is a variate that appears in the greatest number of frequency.
Mode
(2 points) Types of statistical variables
- Continuous variable
- Discrete variable
One that may assume a set of continuous numerical value.
Continuous variable
One which is measured by enumeration (counted) or classification.
Discrete variable
A relatively small part of a population from which information can be derived to be
imputed on the population.
Sample
These refer to the measures of the variability of the variables
under the study.
Measures of Dispersion
(4 points) Give the 4 measures of Dispersion
- Range
- Standard Deviation
- Variance
- Coefficient of Variability
This describes the distribution of the variates of the population from the mean.
It allows the shape of the hat as the variates are distributed from the lowest to the highest values.
The normal curve
These are values around which
the varieties revolve.
Measures of Central Tendency/Location
This is the difference of the maximum value and the minimum value.
Range
This is the square root of the mean of the squares of the
deviations of the variates from the arithmetic mean.
Standard Deviation
This is the square of the standard deviation. This is denoted as
s
².
Variance
