UNIT 3
FREQUENCY DISTRIBUTIONS
in ASCENDING DESCENDING order
of EfaAS
OFTEN REPRESENTED A BAR GRAPH OR HISTOGRAM
SCALING IS IMPORTANT
FREQUENCY DISTRIBUTION GRAPHS
FILE Left MODE IN THE
SYMETRIC DISTRIBUTION
i d is.int t.to
I EE iEE n
MEASURES OF CENTRAL TENDENCY
1 A POINT THAT APPEARS THE MOST
TEIEEEEE.EE BY OUTLIERS
POINT DIRECTLY IN THE MIDDLE OF THE RANGE
SLIGHTLY IMPACTED BY OUTLIERS
MEASURES OF VARIATION
EFERENCE
BTWN HIGHEST LOWEST SCORES
IE.EE Ei m
Utilizes EVERY DATA POINT
IEE.EEf E iti
EEE.EEEeEEtn EIi esavare
5
FILE THE SQUARE ROOT OF THAT
FREQUENCY DISTRIBUTIONS
in ASCENDING DESCENDING order
of EfaAS
OFTEN REPRESENTED A BAR GRAPH OR HISTOGRAM
SCALING IS IMPORTANT
FREQUENCY DISTRIBUTION GRAPHS
FILE Left MODE IN THE
SYMETRIC DISTRIBUTION
i d is.int t.to
I EE iEE n
MEASURES OF CENTRAL TENDENCY
1 A POINT THAT APPEARS THE MOST
TEIEEEEE.EE BY OUTLIERS
POINT DIRECTLY IN THE MIDDLE OF THE RANGE
SLIGHTLY IMPACTED BY OUTLIERS
MEASURES OF VARIATION
EFERENCE
BTWN HIGHEST LOWEST SCORES
IE.EE Ei m
Utilizes EVERY DATA POINT
IEE.EEf E iti
EEE.EEEeEEtn EIi esavare
5
FILE THE SQUARE ROOT OF THAT
