CENTRAL TENDENCY

Question 1

is the arithmetic average of a set
of observations.

Answer 1

mean or arithmetic mean

Question 2

MEAN UNGROUPED DATA FORMULA

Answer 2

Question 3

MEAN GROUPED DATA FORMULA

Answer 3

Question 4

is single value from the data set that measures the central item in the data.

Answer 4

Median

Question 5

MEDIAN GROUPED DATA FORMULA

Answer 5

Question 6

to find the median of a data set, first arrange the date in either ascending or descending order. If the data has odd numbered items, the median is middle item of the
data. However, if it has even number of items, the median is the average of the two middle items.

Answer 6

MEDIAN UNGROUPED DATA

Question 7

is the most often repeated value or the value with the highest
frequency in the data set.

Answer 7

MODE

Question 8

the mode is easily identified by merely locating or identifying the data or item which occurs most frequently.

Answer 8

MODE UNGROUPED DATA

Question 9

MODE GROUP DATA FORMULA

Answer 9

Question 10

values which divided a set of data into equal parts are called
quantiles.

Answer 10

QUANTILES

Question 11

which divide the distribution into four parts.

Answer 11

QUARTILES

Question 12

which divide the distribution into 10 parts.

Answer 12

DECILES

Question 13

which divide the distribution into 100 parts.

Answer 13

PERCENTILES