Statistical Tool
The following statistical procedures will be used by the researchers to interpret the statistical
problems individually:
Frequency - refers to the number of occurrences.
Percentage - the number derived to determine statistical rate, relations and proportions.
The basic formula was used:
Percentage =
F
x 100
N
Where:
F
=
Frequency
N
=
Total Number of Respondents
Weighted Mean and Standard Deviation will be used in the statistical treatment of data which
was applied to all statements in the questionnaire to derive ratios and proportions:
Weighted Mean:
x=
∑ xw
n
Where:
X= Weighted Mean
w= Weighted Factor
𝛴= Summation
n= Total Number of Respondents
x=Scores
Standard Deviation
∑N Wi(xi − x̅)2
s = √ i=1
(M − 1) N
∑i=1 Wi
M
Where:
s = standard deviation
N= number of observations.
M= number of nonzero weights.
wi= weights
xi= observations.
𝛴= Summation
Pearson Coefficient of Correlation (Pearson r). This tool was used to be able to answer the
questions on the significant relationship between the financial literacy of sari-sari store owners
and the longevity of their business.
𝑟=
∑(x−x̅)(y−y̅)
√∑(𝑥−𝑥̅)2 ∑(𝑦−𝑦̅)2
Where:
𝑟
=
correlation coefficient
x
=
values of the x-variable in a sample
x̅
=
mean of the values of the x-variable
𝑦
=
values of the y-variable in a sample
𝑦̅
=
mean of the values of the y-variable