MATH 4TH QUARTER

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Non-Directional Test

two-tailed test

Percentile

value on the scale of 100 that indicates the percent of distribution that is equal to or below it

2.33

1%, one tailed

2.575

1%, two tailed

1.28

10%, one-tailed

1.645

10%, two-tailed

1.645

5%, one-tailed

1.96

5%, two-tailed

Less that cumulative frequency

<cf

Less that the cumulative frequency of the boundary

<cfb

if N and 1/2(N-1) is even

Case 2

k=1+3.33logN

Class Interval

i=R/k

Class Size

Dk=k/10(n)

Decile

Alternative Hypothesis

Ha, not equal , less than , greater than

Right-tailed test

Ho is equal or less than, Ha is more than

Left-tailed test

Ho is equal or more than, Ha is less than

One-tailed test

Ho is equal, Ha is less than or greater than

Two-tailed test

Ho is equal, Ha is not equal

Null Hypothesis

Ho, equal

k/100xn

Index

Pk=k/100(n)

Percentile

H-L

Range

Quartiles

Values that divide a data set into four equal parts

if N and 1/2(N-1) are both odd

case 1

Frequency of the decile class

fdc

Frequency of the percentile class

fpc

Frequency of the quartile class

fqc

z-test

has population standard deviation

t-test

has sample standard deviation

Case 3

if N is divisible bye 4

Case 4

if N is not divisible by 4

Get average

if index is a whole number

Round up

if index is not a whole number

Lower Boundary of the Decile Class

lbdc

Lower Boundary of the Percentile Class

lbpc

Lower Boundary of the Quartile Class

lbqc

Directional Test

one-tailed test

p-test

population proportion

Hypothesis Testing

procedure in making decisions based on a sample evidence

1-p

q


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