Feeder Road # 4, Sto.
Tomas, Davao Del Norte
Basic Statistics:Prelim Exam SCORE
NAME: Course and Year: Date:
GENERAL INSTRUCTION: READ THE DIRECTIONS CAREFULLY IN EACH OF THE FOLLOWING ITEMS. NO ERASURES AND
SUPERIMPOSITIONS OF ANSWERS. USE OF CELLPHONES, TABLETS AND OTHER ELECTRONIC MATERIALS EXCEPT CALCULATORS ARE
STRICTLY PROHIBITED DURING THE EXAMINATION. USE BLACK PEN ONLY. DO NOT WRITE ANYTHING ON THE QUESTIONAIRE.
I. Multiple Choice: Read the question carefully. Write only the letter that
corresponds to your answer. It must be in capital letter.
1. The process of gathering information through direct or 10. The information contained in published or unpublished
indirect method. reports.
a. Analysis of data c. Interpetation of Data
a. Documentary sources c. Field Sources
b. Collection of data d. Interview
b. Secondary data d. Primarydata
2. Statistics is a branch of Mathematics that deal with
11. If you would like to conduct a scientific inquiry about
_____of data and such problems as experiment design
certain dilemma, what methods of data collection will
and decision making.
you use?
a. Collection, organization,analysis and interpretation
b. Collect, organ,analysis and interpretation a. Indirect method c. Observation method
c. Collection, organic,analysis and interpretation b. Experiment method d. Registration method
d. d Collect, organization,anal and interation 12. What types of sampling when we will assign numbers to
3. A professor employs different methods of teaching each of the population?
Statistics. Using the result of the study, he determines
which technique is more effective. What nature of a. Systematic sampling c. Table of random numbers
statistics will he use? b. Lottery sampling d. Direct sampling
a. Inferential c. Desciptive
13. In Slovin’s Formula, n stands for?
b. Qualitative d. Interval
4. The number of books sold in Statistics is an example of a. Margin of error c. Population size
what types of variable? b. Sample size d. Sample unit
a. Qualitative c. Continuous
14. When the researcher will divide his population into
b. Quantitative d. Discontinuous
5. Which of the following is NOT a use of Statistics? groups based on homogeneity, he is doing?
a. It can be used to test hypothesis a. Cluster sampling c. Stratified sampling
b. It summarizes data for public use
c. it can predict the behaviour of individual b. Random Sampling d. Purposive sampling
d. It aids in decision- playing 15. Drawing of winners in a tambiolo is an example of?
6. Data in its original form is what kind of data? a. Lottery sampling c. Cluster sampling
a. Array c. Ordinal
b. Table of random numbers d. Stratified sampling
b. Nominal d. Raw
7. He discovered the formula for normal distribution. II. Identification: Read the question carefully and write
a. Sir Francis Galton c. De Moivre the answer in the space provided. Write your answer
b. Quetelet d. Pearson in capital letters.
8. Types of question In a quiz bee is? 1. Refers to the organization of data into tables, graphs,
a. Ordinal c. Interval or charts so that logical and statistical conclusion can
b. Nominal d. Ratio be derived.
9. Aida conducted a questioner survey for her research, Ans.
what type of question did she put in the questioner? 2. This shows the changes that occur in related variable.
a. Multi-stage question Ans.
b. Structured question 3. It is sometimes called pictogram.
c. Unstructured question Ans.
d. Identification
4. Shows the comparison between two and among 3. Banana industry is the most abundant in
different sets of data. municipality of Sto. Tomas with a total of 345 879
Ans. hectares out of the total land area of 800,000
5. This is the process by which qualitative data hectares. What percent is the banana industry
becomes quantitative data. occupied in Sto. Tomas? In a circle graph in what
Ans. angle thus the industry occupied?
6. It is a representative cross-section of the elements of Solutions:
elements drawn from a population.
Ans.
7. It refers to the process of obtaining numerical
measurements.
Ans.
8. Popularly known as interview method.
Ans.
9. The process of selecting the sample when units are
obtained by drawing every nth element of the
Final answer:
population.
Percent:
Ans.
Angle:
10. A process of putting similar items together from the
mass of data collected.
III. Solving. Solve the following problems by showing your
complete solutions. Round off your answer to nearest
hundredths if it is continuous, otherwise don’t.
1. A researcher would like survey 1500 college
students for his study and he wants to be 93%
accurate in his result. How many sample size must
be taken?
Solutions:
Final answer:
2. 4651 is 17% of what number?
Solutions:
Final answer:
