Good Sample Sizes for a Survey?

Answer Surveys are not ballots; you don't need the entire population to reach a safe conclusion about the public's opinions. Survey takers rely on the so-called "margin of error," the level of uncertainty... Read More »

Top Q&A For: Good Sample Sizes for a Survey

How to Find Minimum Sample Sizes for Tests?

When conducting a survey, the larger the survey, the more significant the results. However, each additional person surveyed adds to the cost of conducting the survey. Therefore, you should plan ahe... Read More »

What Is the Reasonable Sample Size for a School Survey?

Before putting your school survey to work, you need to know how many students to sample. There are mathematical methods to estimate sample sizes for your survey, but they all require you to first k... Read More »

Sample for Writing a Good Cover Letter?

A good cover letter may be the reason that you are chosen for a job interview. Cover letters are often an employer's first impression of you. From greeting to closing, it's important to present you... Read More »

What is a good sample rate for converting a video file?

An appropriate bit rate will vary depending on both the format and nature of your source material. With DVD-quality encodes to MP4 format, a good rule of thumb is 2,000 kilobits per second. For 7... Read More »