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4th quarter > FT stats > Flashcards

FT stats Flashcards

1
Q

an attribute or characteristic that may take more than one value which can either be measured or classfied

A

VARIABLE

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2
Q

it is data that involves one data

A

UNIVARIATE

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3
Q

x lang

A

UNIVARIATE

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4
Q

data that has two variables

A

BIVARIATE

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5
Q

analysis of bivariate data involves describing the relationship between two variables

A

CORRELATION ANALYSIS

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6
Q

process of procedure of describing the relationship between two variables

A

CORRELATION ANALYSIS

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7
Q

how can we describe correlation?

A

SCATTER PLOT
PEARSON PRODUCT MOMENT CORRELATION COEFFICIENT

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8
Q

graphical representation that relationship of the correlation of two variables of bivariate data

A

SCATTER PLOT

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9
Q

diagram that is used to show degree and pattern of relationship between two set of data

A

SCATTER PLOT

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10
Q

where scatter plot constructed

A

XY COORDINATE

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11
Q

independent variable

A

X ABSCSISSA

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12
Q

dependent variable

A

Y ORDINATE

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13
Q

exists if high values in one variable are asociated with high values in other variable

A

POSITIVE CORRELATION

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14
Q

direction of positive correlation

A

LEFT TO RIGHT DOWN TO UP

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15
Q

direction of negative correlation

A

RIGHT TO LEFT UP TO DOWN

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16
Q

exists if one variable are associated to either high or low values in the other variable

A

ZERO CORRELATION

17
Q

random ang sabog sa scatter plot

A

ZERO CORRELATION

18
Q

pag straight line talagang literal

A

PERFECT CORRELATION

19
Q

pag medyo bumaliko pero straight padin

A

HIGH CORRELATION

20
Q

pag may direction pero kalat

A

LOW CORRELATION

21
Q

exists when all the points on scatter plot is staright line

A

PERFECT CORRELATION

22
Q

correlation can be described by two

A

DIRECTION AND STRENGTH

23
Q

possible directions

A

POSITIVE
NEGATIVE
ZERO

24
Q

possible strength

A

PERFECT
STRONG
MODERATE
WEAK

25
Q

when data points fall closer to a straight line

A

STRONG CORRELATION

26
Q

when data points a little bit farther from staright line

A

MODERATE CORRELATION

27
Q

when data points spread out but has direction

A

WEAK CORRELATION

28
Q

if r equals one?

A

PERFECT POSITIVE

29
Q

if r equals zero?

A

NON OR ZERO

30
Q

if r equals -1 ?

A

PERFECT NEGATIVE

31
Q

if r is 0.81 - 0.99

A

VERY HIGH

32
Q

if r is 0.61 - 0.80

A

HIGH

33
Q

if 0.41 - 0.60

A

MODERATELY

34
Q

if 0.21 - 0.40

A

LOW

35
Q

if 0.01- 0.20

A

NEGLIGIBLE

36
Q

formula for pearson

A

NEXY MINUS EXEY DIVIDED BY SQUARE ROOT OF NEXSQUARED-X2 TIMES NEYSQUARED -Y2

37
Q

what is n in pearson

A

NUMBER OF PAIRS

4th quarter (14 decks)

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