This document summarizes the results of a survey using systematic random sampling. It finds that: - The most common birthstones were sapphire, opal, and emerald. - Most respondents were from the Copernicus section last year. - The majority had a shirt size of S or M. - The highest number of respondents weighed between 40-50kg.

1. REPORT ON ACTIVITY #4
SAMPLING TECHNIQUES
BY: JOSHUA G.DE GUZMAN
RYAN OLIVER REGIS

2. 3) SYSTEMATIC RANDOM SAMPLING


3. RESPONDENTS BIRTHSTONE FIRST YEAR
SECTION
SHIRT SIZE WEIGHT
B2 Sardonyx Copernicus S 51kg
B4 Emerald Brahe M 56kg
B6 Sapphire Ptolemy S 40kg
B8 Turquoise Ptolemy S 40kg
B10 Opal Brahe M 60kg
B12 Sardonyx Kepler S 36kg
B14 Sapphire Copernicus L 90lbs
G1 Amethyst Kepler M 54kg
G3 Emerald Copernicus M 46kg
G5 Opal Copernicus M 51kg
G7 Sapphire Copernicus XS 38kg
G9 Emerald Ptolemy S 43kg
G11 Sardonyx Ptolemy M 60kg
G13 Opal Copernicus S 47kg
G15 Garnet Galileo S 49kg

4. BIRTHSTONE NUMBER
SARDONYX |||
SAPPHIRE |||
OPAL |||
GARNET |
TURQUOISE |
EMERALD |||
AMETHYST |
According to the table, the highest number of respondents with the same
birthstone is 3. These birthstones are the Sardonyx, Sapphire, Opal and
Emerald. While the lowest is only 1. These birthstones are Garnet, Turquoise
and Amethyst. This shows that most of our respondents was born on August,
September, October and May.

5. FIRST YEAR SECTIONS NUMBER
COPERNICUS ||||||
PTOLEMY ||||
KEPLER ||
BRAHE ||
GALILEO |
This table shows that most of our respondents came from
Copernicus last year at a number of 6 persons. This makes up 40% of
the 15 respondents. The lowest is 1 which came from Galileo. Twelve
persons came from the sections of Copernicus, Ptolemy and Kepler.
While 3 persons came from Brahe and Galileo.

6. SHIRT SIZE NUMBER
XS |
S |||||||
M ||||||
L |
Most of our respondents has a shirt size of S with 7
persons. While the lowest is 1 with the shirt size of
XS and L. 13 persons have the shirt size of S and M
that makes up 87% of the respondents.

7. WEIGHT NUMBER
||
30-40KG
|||||||
40-50KG
||||||
50-6O KG
Seven persons, which is the highest number of person, have the
weight ranging from 40-50kg. While 2 persons, the lowest, have
the weight ranging from 30-40kg. Six persons have the weight
ranging from 50-60kg, which is 40% of 15 respondents.