STATS MIDTERMS

PROBABILITY

It is a field of mathematics that deals

with chance.

EXPERIMENT

is an activity in which

the results cannot be predicted with

certainty.

OUTCOME

is a result of an

experiment.

SAMPLE SPACE

It is the set of all possible outcomes of

an experiment.

VARIABLE

It is a characteristic or attribute that can

assume different values. It is written in

capital letters.

RANDOM VARIABLE

It is a function that associates a real

number to each element in the sample

space. It is a variable whose values are

determined by chance.

DISCRETE

If its set of possible outcomes is

countable.

CONTINUOUS

If it takes on values on a continuous

scale. It represents measured data

such as heights, weights, and

temperatures.

CONTINUOUS

The weight of Grade 11 students

each month in SPCF

DISCRETE

The number of defective chairs

produced in a factory.

Z SCORE

is a measure of relative standing.

These scores represent distances from

the center measured in standard

deviation units.

Z SCORE

Is a measure of relative standing. It

represents the distance between a

given measurement and the mean,

expressed in standard deviation.

SAMPLING ERROR

The difference between the

sample means and the

population mean is called

SAMPLE SPACE

• Rolling a die

• Tossing a coin

• Drawing a card in a deck of cards

1

What is the area of the normal curve ?

SYMMETRICAL

The curve is ___ about its center

Z TABLE

The table of areas under the normal

curve is also known as

PERCENTILE

is measure of relative

standing. It is descriptive measure of

the relationship of a measurement to

the rest of the data.