Save
...
2ND SEM G11
STAT AND PROB Q3
PMF
Save
Share
Learn
Content
Leaderboard
Learn
Created by
kevs
Visit profile
Cards (11)
The
mean
is the average value of a set of numbers.
PROBABILITY
- chances / possibilities of certain Outcomes
2 TYPES OF STATISTICS
DESCRIPTIVE
STATISTICS and
Inferential
statistic
DESCRIPTIVE STATISTICS
- summarize the information collected through tables, graphs, measures of central
tendency.
INFERENTIAL STATISTICS
conclude
variable
any quantity that can be measured
2 TYPES OF RANDOM VARIABLE
DISCRETE
RANDOM VARIABLE
Countable values (no. of chairs)
CONTINUOUS RANDOM VARIABLE
measurement (height, time)
PMF
(
Probability Mass function
) you can get the pmf by 3 presentation.
Tabular
,
Formula
,
Histogram
Mean
(Expected Value) measure of the central location. of a random variable.
Variance
( to get the difference from (0-1-2-3-4-5)
Standard Deviation
(
0
to
5
)