Work Sheet
Name: _______________________
Section: ______________________
Test I:
Instructions: Choose the letter of the correct answer. Encircle the letter of your choice.
(5 pts)
1. Which of the following is the symbol that represents the sample size?
a. N
b. S
c. n
d. s
2. It is the maximum number of people that share a targeted characteristic.
a. Margin of Error
b. Sample Size
c. Population
d. Slovin’s Formula
3. It is the percentage that shows how much the answers of your sample might not
represent the population.
a. Margin of Error
b. Sample Size
c. Population
d. Slovin’s Formula
4. It is the variable in Slovin’s formula that is unknown, undetermined, or being
asked for.
a. Margin of Error
b. Sample Size
c. Population
d. Slovin’s Formula
5. The method used in order to determine a sample size without knowing the
characteristics of the entire population.
a. Margin of Error
b. Sample Size
c. Population
d. Slovin’s Formula
Test II: Problem Solving
Instructions: Solve for the sample size for the following word problems. Read the
problems carefully and provide the solutions for your answers. (10 pts)
1. A tech firm has 1000 employees connected to the company’s internet connection.
The manager wants to evaluate the satisfaction levels of the internet speed with a 5%
margin of error. What sample size is needed? (Use GAFSA)
Given:
Asked:
Formula:
Solution:
Answer:
2. A university with 8000 students wants to track the regular usage of mobile phones
and social media. With a 5% margin of error, what is the needed sample size? (You may
solve this directly, be sure to show solutions).
Solution:
Final Answer:
0
