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VILLASANTA, GERIVIE TRIXIE A. CEIT-06-202A

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STOP OVER 1:

1. Statistics help us make smart choices by looking at data. For example, we can use statistics to pick the best breakfast cereal and decide where to spend our money. They let us compare different options, see what's good and bad about each, and find patterns to figure out what's best. We use statistics for lots of things, like checking if our workouts are working, comparing how people rate products, and understanding weather forecasts

2. Understanding the world: Statistics are super important for making sense of all the information bombarding us every day. They're used a lot in news, research, and social media to tell stories and share findings. By knowing some basic stats and how data is shown, you can really understand information better, avoid getting confused, and form your own opinions based on facts.

3. Navigating an Uncertain World: Statistics can't tell us exactly what will happen in the future, but they help us guess how likely different events might be. For example, they're used to predict things like traffic, weather, and how crowded the grocery store might be. Knowing these predictions can help us get ready, avoid problems, and make better choices in our daily lives.

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Using Spreadsheets: Programs like Google Sheets and Microsoft Excel are great for typing in and organizing information. They're easy to find on computers, so even if you're not a computer whiz, you can use them. Since most people already know a bit about spreadsheets from things like making lists or tables, it's not too hard to figure out how to use them for statistics.

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1. School-related Practices of Parents of Grade VI Pupils at Palahanan Elementary School, Batangas as Perceived by the Teachers and Parents Themselves during the Academic Year 2018-2019.

Ho: There's no major difference in how teachers and parents view school practices for sixth-graders at Palahanan Elementary School during the 2018-2019 year. They see things similarly.

HA: Teachers and parents have significantly different perspectives on these practices. Their opinions might not align.

Possible Sources of Errors:

Picking the wrong people: Asking only a few teachers and parents who are easy to reach might not give an accurate picture of everyone's opinions. It's like judging a whole pizza by only tasting one slice!

Confusing questions: If the survey questions are unclear or the answer choices are limited, it might not capture what teachers and parents truly think. It's like asking "Do you like the school?" with only "yes" or "no" answers, missing all the details.

2.Culture and Climate at Company ABC in Nags City as Assessed by the Managers and Rank-in-File as Basis for more Efficient Production.

Ho: Managers and regular employees at Company ABC might share similar perceptions of the company's culture and work environment.

HA: Managers and regular employees at Company ABC could have distinct experiences of the company culture and work environment.

Possible Sources of Errors:

Missing details: If the survey skips over key aspects of the company culture, like communication styles or team dynamics, it may only present a partial picture.

Timing Problems: The study's timing could impact its accuracy. If conducted during a period of high morale or low points, it may not reflect the typical employee experience.

3. Philosophical Practices of College Educators and Administrators in a certain University as a Baseline Study to Enhance the Teaching-Learning Process.

Ho: There's no major difference in how professors and administrators think about teaching and learning at this university.

HA: Professors and administrators at this university likely have distinct views on how education should be approached.

Possible sources errors:

Misinterpretation: If the study asks the wrong questions or uses confusing language, it might misunderstand people's true philosophical beliefs, leading to inaccurate results.

Personal Filters: Everyone interprets things through their own lens, so even with clear questions, people might answer based on their individual understanding of philosophical terms, potentially skewing the results.

4. Environmental Performance Based on the Green Audit of Public Elementary Schools as Evaluated by the School Administrators and Teachers in the District of San Vicente, San Pedro Laguna during the academic year 2018-2019.

Ho: There's no major difference in how school administrators and teachers at public elementary schools in San Vicente, San Pedro Laguna perceive their environmental performance during the 2018-2019 school year based on the Green Audit. They basically agree on how "green" the schools are.

HA: Administrators and teachers actually have significantly different perspectives on the environmental performance of these schools. Their evaluations might not align.

Possible sources errors:

Beyond the School Gates: Things outside the school's control, like limited resources or unique location, might impact their environmental performance, making an accurate comparison through Green Audit challenging.

Misreading the Green Report: Without a clear understanding of how to use the Green Audit, they might misinterpret it, leading to inaccurate assessments of the schools' environmental practices.

5. Relationship of the Perceptual Strengths of College Students and their Mathematics

Performance during the Academic Year 2018-2019.

Ho: There's no major connection between how college students view things and their performance in math classes during the 2018-2019 academic year. Their way of thinking doesn't significantly affect their math grades.

HA: Students' personal perspectives are actually significantly linked to their math performance. How they think and perceive things might play a role in how well they do in math during that year.

Possible sources errors:

Biased Sample: If the study includes students who aren't representative of the overall college student body, the results might not accurately reflect the general relationship between perception and math performance

Answering Strategically: Concerns about honesty could skew the data. Students might downplay their struggles or exaggerate their understanding to present a better image, making it difficult to gauge the true impact of perception on math performance.

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1. A survey of disco goers on a Friday or Saturday night

- Simple random sampling is not suitable because the population is too large.

- It would work if you focused on a specific disco, like Pobla in BGC High Street, Makati.

2. A study of employees' attitudes towards family planning in DR. VICTOR R. POTENCIANO MEDICAL CENTER

- Simple random sampling is suitable here.

- Employees in the OB-GYN department at DR. VICTOR R. POTENCIANO MEDICAL CENTER.

3. A survey of Olongapo City residents' attitudes towards Nuclear Power Plants

- Simple random sampling is suitable.

- Residents of Barangay Santa Rita, Olongapo City.

4. A survey of Tiktok users following a Famous Tiktok Celebrity

- Simple random sampling is not suitable because the population is too large and spread out.

- It could work if you focus on followers of a specific gender and age range.

5. College students' acceptability of school policies on discipline

- Simple random sampling is not suitable because the population is too large.

- It would work if you focused on a specific school and department.

6. Mental Health Status of RTU students doing online classes

- Simple random sampling is suitable.

- Third-year Industrial Engineering students at RTU - Boni campus.

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1.  When conducting a stratified sample, the population can be divided into groups based on various characteristics such as age, education level, income, job type, or geographic location. This allows the researcher to ensure the sample is representative of the overall population.

2. If a company wants to interview 20 employees, and the workforce is 80% full-time and 20% part-time, the sample should reflect this proportion. So, the researcher should interview around 16 full-time and 4 part-time employees.

3. To reach a diverse group of participants for a national study, the researcher can use a multi-stage cluster sampling approach. This involves dividing the country into regions, then provinces, then selecting cities/towns, and finally randomly choosing households within those areas.

4. When studying a specific demographic, like adults aged 60 and over in Zambales, the researcher should purposefully select a mix of participants based on relevant characteristics such as gender, retirement status, and financial situation.

5. A convenience sample in Boracay would likely over-represent tourists and younger people, as they are more visible and accessible. The sample may miss perspectives from locals and older residents.

6. Sampling students at a campus bar would capture the views of very engaged students, but likely miss those who are less socially active or have different priorities.

7. Offering incentives or advertising a study in an eye-catching way may encourage self-selection, but the resulting sample may not be representative of the overall population of interest.