MATM Midterm Lesson 3

Question 1

is a probability function that describes how thethat describes how the
values of a variable arevalues of a variable are distributed.distributed.

Answer 1

normal distribution

Question 2

It is also known as “Gaussian Distribution”

Answer 2

Normal Distribution

Question 3

It was first discovered by Abraham de Moivre and finalized by Carl Friedrich Gauss.

Answer 3

Normal Distribution

Question 4

The graphical representation of normal distribution is called a ______ _____ or ____ _____

Answer 4

normal curve
bell curve

Question 5

The normal distribution is
a mathematical model
represented by a ____-______ ______ which is symmetric with respect to the mean

Answer 5

bell-shaped curve

Question 6

The mean, median, and mode of the normal distribution are _____ and _____ at the ________ of the distribution.

Answer 6

equal and located at the center

Question 7

The normal curve does
___ __________ with the
horizontal (X) axis.

Answer 7

NOT intersect

Question 8

The area under the normal curve is approximately _____ to ___ (_) or ___%

Answer 8

equal to one (1) or 100%

Question 9

The standard normal distribution has a ____ of ____ () and a ________ _________ of ___ ()

Answer 9

mean of zero (0)
standard variation of one (1)

Question 10

is a measure of the “tailedness” of a distribution.

Answer 10

Kurtosis

Question 11

is how often outliers occur.

Answer 11

Tailedness

Question 12

has a mean of -3 and a standard deviation of 0.5

Answer 12

Leptokurtic

Question 13

has a mean of 0 and a standard deviation of 1

Answer 13

Mesokurtic

Question 14

has a mean of 2 and a standard deviation of 3

Answer 14

Platykurtic