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WorksheetsFINAL EXAM_RESEARCH 2
Total questions: 48
Worksheet time: 24hrs 0mins
Which of the following is the most common tool for gathering quantitative data in schools?
Interview
Survey Questionnaire
Focus Group Discussion
Case Study
A teacher wants to know the most preferred learning modality among Grade 12 students. What data collection instrument should she use to gather responses efficiently?
Observation checklist
Survey questionnaire
Experiment
Oral recitation
When presenting the number of SHS graduates who enrolled in different college programs, which graphical representation is most appropriate?
Line graph
Bar graph
Histogram
Scatterplot
Which statistical tool is best used to find the average grade of students in a class?
Mean
Median
Mode
Range
In a survey on cellphone usage, 60% of students use Android phones, 30% use iPhones, and 10% use other. What is the best way to present this?
Pie chart
Line graph
Frequency table
Histogram
What part of a data analysis plan specifies how variables will be measured?
Sampling procedure
Data coding scheme
Variable description
Research questions
If a researcher wants to study the difference between male and female students’ stress levels during online classes, which statistical technique should be applied?
t-test
Pearson r
Chi-square
ANOVA
Which strategy is best when collecting sensitive information, such as the mental health concerns of students?
Face-to-face interview
Anonymous survey questionnaire
Focus group discussion
Observation
A survey was conducted on the preferred careers of Grade 12 STEM strand students. The result is shown in the table below. What is the total number of respondents?
90
100
95
110
From the same table, what is the percentage of students who chose Engineering?
40%
44%
50%
35%
A researcher used Google Forms to collect responses from 200 SHS students about their online learning challenges. What method of data collection does this represent?
Experiment
Documentary analysis
Online survey
Observation
Which of the following is an example of primary data collection?
Reading DepEd reports on enrollment rates
Conducting a survey with SHS students
Analyzing government census data
Using statistical yearbooks
A teacher wants to compare the Math test scores of students before and after using a new teaching strategy. Which analysis should be used?
t-test for dependent samples
t-test for independent samples
Pearson r
Chi-square
In data coding, what is the purpose of assigning numerical values to categorical responses?
To make data collection faster
To make statistical analysis possible
To avoid errors in interpretation
To summarize findings
Which of the following is a key component of a data analysis plan?
Research title
Data gathering schedule
Statistical treatment of data
Abstract
A study aims to find the relationship between study hours and academic performance of SHS students. What statistical technique is appropriate?
Chi-square test
t-test
Pearson correlation
Median test
Which is the most suitable tool for comparing the percentage of male and female SHS students who prefer hybrid classes?
t-test
Chi-square test
Pearson correlation
Regression analysis
A group of ABM strand students created a questionnaire about consumer spending habits. What must they ensure before distributing it?
That it is free of grammatical errors only
That it is validated and reliable
That it is answered only by friends
That it is brief, regardless of clarity
A histogram is best used when presenting:
Comparison of gender distribution
Frequency distribution of test scores
Preferred social media platforms
Career choices of students
A researcher collected data from only one section of Grade 12 students instead of the entire population. What is this called?
Census
Sample
Quota
Random
A pie chart is NOT appropriate for presenting:
Proportion of students by strand
Frequency of test scores
Percentage of preferred career choices
Division of household expenses
Which sampling technique gives each member of the population an equal chance of being selected?
Stratified sampling
Random sampling
Purposive sampling
Quota sampling
A survey revealed that 65% of SHS students prefer pursuing careers abroad. How should this be interpreted?
The majority plan to work abroad
Few plan to work abroad
All want to work abroad
No one wants to work abroad
Which statistical tool measures how spread out the test scores are?
Mean
Variance
Mode
Median
A study investigates the relationship between social media usage and academic performance of SHS students. If the correlation coefficient is -0.75, how should this be interpreted?
Strong negative correlation
Weak negative correlation
No correlation
Moderate positive correlation
Which situation best illustrates the use of a t-test for independent samples?
Comparing average math scores of male and female students
Measuring academic improvement of students before and after tutoring
Analyzing the relationship between hours of sleep and test scores
Studying the frequency of gadget use among students
A researcher hypothesizes that SHS students from public schools have different study habits compared to private school students. Which statistical test should be used?
Pearson correlation
Chi-square test
Independent t-test
ANOVA
If a researcher wants to analyze differences in stress levels among STEM, HUMSS, and ABM students, what statistical tool is most appropriate?
Pearson r
ANOVA
Chi-square
Mode
When preparing a research questionnaire, which is MOST important to ensure the validity of responses?
Questions are clear and unbiased
Questions are long and detailed
Questions are based on assumptions
Questions are open-ended only
Which data collection strategy is MOST suitable for studying the working conditions of nurses in the Philippines during COVID-19?
Documentary analysis only
Survey and interview combined
Experimental study
Anecdotal reports
If a frequency distribution of test scores is highly skewed, which measure of central tendency is most reliable?
Mean
Median
Mode
Range
A group of students wants to test whether the type of strand (STEM, ABM, HUMSS) is related to career preference (local or abroad). Which test is appropriate?
Pearson correlation
Chi-square test
Independent t-test
ANOVA
Which step is NOT part of data processing?
Data coding
Data cleaning
Hypothesis formulation
Data tabulation
A researcher gathers 1,000 responses online but finds 200 incomplete entries. What should be done?
Include all responses anyway
Delete incomplete responses
Estimate missing data properly
Ignore and proceed with analysis
If the standard deviation of student grades is small, what does it mean?
Grades are widely spread
Grades are inconsistent
Grades are close to each other
Grades are unrelated
A researcher analyzed the relationship between hours of sleep and academic performance using Pearson r and got 0.05. What does this mean?
Strong positive correlation
Weak positive correlation
No significant correlation
Negative correlation
What is the first step in data interpretation?
Drawing conclusions
Analyzing patterns in data
Making recommendations
Summarizing findings
In a bar graph showing career preferences, what must always be included?
Legends and gridlines
Title, labels, and scale
Colors and pictures
Narrative explanation
A researcher wants to ensure confidentiality of student respondents in a survey about academic dishonesty. What should be done?
Publish names with scores
Use anonymous responses
Require students to sign their names
Share results in class publicly
What does it mean when p-value < 0.05 in a t-test?
Accept the null hypothesis
Reject the null hypothesis
There is no difference
Data is invalid
A group of HUMSS students tested whether the teaching strategy affects exam performance. They used ANOVA and got significant results. What does this imply?
All groups have the same performance
At least one group differs significantly
There is no relationship at all
The sample is invalid
Which of the following is an example of secondary data?
Interviews with SHS students
Census report from PSA
Survey on study habits
Experiment on test performance
What is the main purpose of using statistical tools in research?
To complicate data analysis
To make data more confusing
To summarize and interpret data objectively
To collect more responses
Which statistical measure is most affected by extreme values?
Mean
Median
Mode
Frequency
In a study of stress levels, researchers found that the mean stress score of female students is significantly higher than males. What can be concluded?
Female students always experience stress
Male students never experience stress
Stress levels differ significantly between genders
Stress is not related to gender
Which of the following is NOT part of strategies in data collecting?
Surveys
Interviews
Observation
Conclusion writing
In data interpretation, researchers must always connect results to:
Personal opinion
Research questions and objectives
Political beliefs
Random assumptions
A well-prepared research questionnaire must include:
Clear instructions, concise items, and logical flow
Difficult questions only
Irrelevant and lengthy questions
Open-ended questions only
