STATS - MODULE 3 ( Measures of Central Tendency and Dispersion )
Studied by 0 people
Learn
Practice Test
Spaced Repetition
Match
Flashcards1/13
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
14 Terms
Mode
MOST FREQUENT OBSERVATION of a variable.
It is the value that OCCURS MOST OFTEN / WITH GREATEST FREQUENCY.
NO MODE if equal frequency of observations.
UNIMODAL if there exists 1mode.
BIMODAL if 2
TRIMODAL if 3
MULTIMODAL if more.
Median
It is the values that lies in the MIDDLE OF THE DATA SET when arranged in ascending or descending order of magnitudes.
Number of data in a distribution is ODD, there is only 1 middle value.
Number of data in a distribution is EVEN, there are 2 middle values which should be ( ADDED THEN DIVIDE THE SUM BY 2 )
Arithmetic Mean
It is the AVERAGE of the given data set.
Absolute Dispersion
MEASURES OF DISPERSION
This is used to determine the amount of variation in a data set with the SAME UNIT OF MEASUREMENT.
Relative Dispersion
MEASURES OF DISPERSION
For comparison of variability between data sets.
It may BE UNITLESS OR IN TERMS OF PERCENTAGE.