MEASURE OF CENTRAL TENDENCY

Question 1

In statistics, it is a collection of people, items
or events about which you want to make inferences

Answer 1

POPULATION

Question 2

a subset of people, items or events from a larger
population that you collect and analyze to make inferences

Answer 2

SAMPLE

Question 3

usually denoted by x, is the average
and is computed as sum of all the observed outcomes from the
sample divided by the total number of events.

Answer 3

MEAN

Question 4

a set of data is the number with the highest frequency

Answer 4

MODE

Question 5

is the middle score

Answer 5

MEDIAN

Question 6

Difference between the smallest and largest observations

Answer 6

RANGE

Question 7

Range of the middle half of scores

Answer 7

INTERQUARTILE RANGE

Question 8

Mean of all squared deviations

Answer 8

VARIANCE

Question 9

Rough measure of the average amount by which observations
deviate from the mean. The square root of variance.

Answer 9

STANDARD DEVIATION

Question 10

divides ranked scores into four equal parts

Answer 10

QUARTILES

Question 11

divides ranked data into ten equal parts

Answer 11

DECILE

Question 12

partitions data into approximately equal parts

Answer 12

FRACTILES (QUANTILES)