Slovin's Formula: Sample Size Calculation

Using Slovin's formula, if you have a population of 2,500 and desire a 95% confidence level, what is the required sample size?

A researcher wants to survey a population of 10,000 individuals. They aim for a 98% confidence level. According to Slovin's formula, what should their sample size be, rounded to the nearest whole number?

A market research team needs to determine the sample size for a survey with a population of 1,500, using Slovin's Formula. If they are willing to accept a 5% margin of error, what will be the sample size?

What is the alpha level (α) associated with a 98% confidence level when using Slovin's formula?

A university with 8,000 students wants to survey them about their satisfaction with campus services. If the university uses Slovin's formula with a 95% confidence level, approximately how many students need to be surveyed?

In Slovin's formula, what does 'N' represent?

A small town has a population of 800 residents. The local council wants to conduct a survey to gather opinions on a proposed new park, and they want a 98% confidence level. Using Slovin's formula, what is the minimum sample size they should aim for?

What adjustment should you make to a sample size calculated using Slovin's formula before conducting a survey?

A researcher aims to understand public perception of a new urban development project prior to its implementation. Which data collection method is most suitable for gathering broad opinions efficiently?

A clinical psychologist seeks to deeply understand the experiences of a single patient undergoing a novel therapy for PTSD. Which data collection method would provide the most detailed and nuanced insights?

An anthropologist wants to study the daily social interactions within a remote tribe without interfering with their natural behavior. Which data collection method is best suited for this type of unobtrusive research?

To determine if there is a cause-and-effect relationship between sunlight exposure and mood, what research method should be used?

A researcher aims to collect detailed accounts of individual experiences during a natural disaster. This requires direct interaction with the affected individuals to gather comprehensive narratives. Which data collection method is most appropriate?

A market research firm wants to quickly gauge customer satisfaction with a new product line across a large and diverse customer base. Which data collection method offers the most efficient way to gather this information?

A university is performing a study on student success after graduation. They intend to track a group of students over a 10 year period, and analyze what factors contributed to their success. Which research method is most appropriate?

A researcher is hired by the local government to understand why the population in the area is moving away at an alarming rate. The local government wants to take action to solve the problem, and reverse the trend. Which research method should the researcher use?

In a study examining the effects of a new teaching method on student test scores, which of the following would be considered the population?

A researcher wants to study the political opinions of college students in the United States. Due to resource constraints, they only survey students at 50 randomly selected universities. What does the group of students at those 50 universities represent?

Which of the following is the best example of a qualitative variable?

A researcher is studying consumer preferences for different brands of coffee. Which type of data is being collected if the researcher asks participants to rank the coffee brands from most to least preferred?

Which scenario involves collecting quantitative data?

A professor records the final grades (A, B, C, D, or F) of students in a class. Is this data qualitative or quantitative?

A study aims to determine if there is a correlation between the number of hours students study per week and their GPA. What type of variables are 'hours of study' and 'GPA' in this study?

Which of the following best illustrates the use of both qualitative and quantitative variables in a single study?

A researcher is planning a study in a city with a population of 1,500 people. Using Slovin's formula, what is the minimum sample size required if the researcher wants a 4% margin of error?

In a town with a population of 2,000 people, a survey is conducted with a sample size of 400. What is the margin of error used for this survey based on Slovin's Formula?

A data set is collected to analyze customer satisfaction. Which of the following statements best describes the relationship between the data points and the data set?

In the context of data collection, how are samples and populations related to the concept of sets?

A company is trying to determine the effectiveness of a new marketing strategy. What is the role of statistics in this scenario?

A researcher is studying the heights of all students at a university. In this context, what does the 'population' refer to?

A market research company decides to survey a sample of households in a city to estimate the average household income. If the city has a total of 10,000 households, and the company uses Slovin's formula with a 5% margin of error to determine the sample size, approximately how many households should they survey?

A quality control engineer wants to estimate the proportion of defective items produced in a factory. They plan to sample from the production line. Which statement accurately describes the relationship between the sample and the population in this context?

When is Slovin's formula most appropriate for determining sample size?

A researcher aims for a 95% confidence level in their study. According to the information provided, what would be the corresponding error tolerance (e) to use in Slovin’s formula?

Given a population of 500, which calculation correctly applies Slovin's formula to determine the sample size needed with an error tolerance of 0.05?

A town has a total population of 2,000 residents. If a researcher uses Slovin's formula with an error tolerance of 0.03 to determine the sample size for a survey, approximately how many residents should be surveyed?

What happens to the required sample size calculated by Slovin's formula as the error tolerance (e) increases, assuming the population size stays constant?

A market research firm is planning to survey a city with a population of 50,000. They decide to use Slovin's formula because they lack detailed information about residents' preferences. Which error tolerance would result in the smallest sample size?

When using Slovin's formula, if a researcher decreases the error tolerance from 0.05 to 0.01, how is the necessary sample size affected?

Slovin's Formula

Data Collection

Data Set

Sample

Population

Subset

Statistics

Population (in statistics)

Variables

Qualitative Variable

Quantitative Variable

Qualitative (Example)

Quantitative (Example)

Qualitative Data (Example.)

Sampling in Statistics

Error Tolerance (e)

Calculating Error Tolerance

Slovin's Formula Equation

Population Size (N)

Sample Size (n)

What is the margin of error?

What is confidence level?

What is alpha level (e)?

What is Slovin's Formula?

What is population size (N)?

What is Sample size (n)?

Rounding the sample size

If N=1000 and e=0.05, what is n?

Surveys

Interviews

Observations

Experiments

Case Studies

Questionnaires

In-depth Investigations

Public Opinion Polls