stats

Question 1

are the activities which could be
repeated over and over again and which have well-defined results.

Answer 1

EXPERIMENT

Question 2

are the possible results of an experiment.

Answer 2

OUTCOMES

Question 3

is the set of all outcomes in an experiment.

Answer 3

SAMPLE SPACE

Question 4

is a characteristic or attribute that can assume different values.

Answer 4

VARIABLE

Question 5

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.

Answer 5

RANDOM VARIABLE

Question 6

variable that has a certain number of particular values and nothing else.

Answer 6

DISCRETE VARIABLE

Question 7

a continuous variable is any value that can be measured as decimals or fractions. These are infinitely situated between two values of reference.

Answer 7

CONTINUOUS VARIABLE

Question 8

is often called a “Bell Curve” because it looks like a bell.

Answer 8

Normal Distribution

Question 9

is often called a “Bell Curve” because it looks like a bell.

Answer 9

Normal Distribution

Question 10

connotes the average in ability, intelligence, size, emotional traits, and personality.

Answer 10

Normality

Question 11

developed the mathematical equation of the normal curve but his work went unnoticed.

Answer 11

Abraham de Moivre

Question 12

he also derived the equation of the normal distribution from a study of errors in repeated measurements

Answer 12

Karl Friedrich Gauss

Question 13

Normal Distribution Formula

Answer 13

f(x) = 1/σ√2π e ^ - 1/2σ^2(x-μ)^2

Question 14

Normal Distribution Formula

Answer 14

f(x) = 1/σ√2π e ^ - 1/2σ^2(x-μ)^2

Question 15

The distribution curve is _______

Answer 15

bell-shaped.

Question 16

The curve is ______ about its center, the mean.

Answer 16

symmetric

Question 17

The curve is ______ about its center, the mean.

Answer 17

symmetric

Question 18

The mean, median, and mode are ________ at the center.

Answer 18

coincide

Question 19

The width of the curve is determined by the ____________ of the distribution.

Answer 19

standard deviation

Question 20

The tails of the curve flatten out indefinitely along the horizontal axis, always approaching the axis but never touching it. That is, the curve is _______ to the base line.

Answer 20

asymptotic

Question 21

The area under the curve is _. Thus, it represents the probability or proportion or the percentage associated with the specific sets of data.

Answer 21

1

Question 22

The area under the curve is _. Thus, it represents the probability or proportion or the percentage associated with the specific sets of data.

Answer 22

1

Question 23

The ________ is a normal probability distribution that has a mean μ = 0 and a standard deviation σ = 1.

Answer 23

STANDARD NORMAL CURVE

Question 24

The Table of Areas under the Normal Curve is also known as the ____.

Answer 24

z-table

Question 25

The _____ is a measure of relative standing.

Answer 25

z-score

Question 26

The _____ is a measure of relative standing.

Answer 26

z-score

Question 27

The ____ represents the distance between a given measurement X and the mean, expressed in standard deviation.

Answer 27

z-score

Question 28

average of a group characteristics

Answer 28

μ = population mean

Question 29

used to quantify the amount of variation

Answer 29

σ = standard deviation

Question 30

unaltered measure

Answer 30

raw score

Question 31

z-score for population data formula

Answer 31

z = x - μ / σ

Question 32

z-score for sample data formula

Answer 32

z = x - x̄ / s

Question 33

Person’s age in year (discrete or continuous)

Answer 33

discrete

Question 34

(discrete or continuous) Weight of every student in the class

Answer 34

continuous

Question 35

(discrete or continuous) Number of present student

Answer 35

discrete

Question 36

(discrete or continuous) The temperature in Quezon at noon time

Answer 36

continuous

Question 37

(discrete or continuous) Running speed of student in 100m dash.

Answer 37

continuous