How Do You Know If A Statistic Is Credible?

by | Last updated on January 24, 2024

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The smaller the sample size,

the larger the error margins should be

. It’s also important to look at error margins for comparable research to see if the error margins for the statistics in question are relatively small or large. This is a helpful indicator of how accurate statistics are.

What is a credible statistic?

Credibility theory is

a form of statistical inference used to forecast an uncertain future event developed by Thomas Bayes

Where can I find credible statistics?

  • Bureau of Economic Analysis.
  • Bureau of Justice Statistics.
  • Bureau of Transportation Statistics.
  • Census Bureau.
  • Economic Research Service.
  • Energy Information Administration.
  • National Agricultural Statistics Service.
  • National Center for Education Statistics.

Why do statistical results in studies have so much credibility?

When analysts use statistical procedures correctly, they tend

to produce accurate results

. In fact, statistical analyses account for uncertainty and error in the results. Statisticians ensure that all aspects of a study follow the appropriate methods to produce trustworthy results.

What is the best source for statistics?

  • U.S. Census Bureau. …
  • U.S. Department of Commerce. …
  • U.S. Energy Information Administration. …
  • U.S. Statistical Abstract. …
  • USAGov. …
  • USDA Economic Research Service. …
  • USDA National Agricultural Statistics Service.

What is the best website for statistics?

  • Statista.
  • Gallup.
  • Pew Research.
  • Data.gov.
  • UN Statistical Division.
  • Google Public Data Explorer.
  • Knoema.

Why are statistics unreliable?

Many people may not realize that the randomness of the sample is very important. … Non-random sampling makes the estimated error unreliable. On the other hand, people may consider that statistics are inherently

unreliable because not everybody is called

, or because they themselves are never polled.

What are the 3 types of statistics?

  • Descriptive statistics.
  • Inferential statistics.

What is the problem with statistics?

There are many more problems with statistics, including

bad sampling and choosing the wrong method of survey or interview

. If you are commissioning market research be sure to choose a company that understands the principles of basic statistical analysis and good survey design.

How can I learn statistics easily?

  1. Step 1: Learn Descriptive Statistics. Udacity course on descriptive statistics from Udacity. …
  2. Step 2: Learn Inferential statistics. Undergo the course on Inferential statistics from Udacity. …
  3. Step 3: Predictive Model (Learning ANOVA, Linear and Logistic Regression on SAS)

How do you source statistics?

  1. Author(s)/Creator.
  2. Title.
  3. Year of publication: The date when the statistics/dataset was published or released (rather than the collection or coverage date)
  4. Publisher: the data center/repository.
  5. Any applicable identifier (including edition or version)

What are the other ways of getting site statistics?

  • Google Analytics. One of the most popular and highly used free web statistics tool, Google Analytics provides a number of features that are useful for every kind of website. …
  • JetPack for WordPress. …
  • StatCounter. …
  • AWStats. …
  • Open Web Analytics.

What type of data is statistics?

Introduction to Data Types.

Categorical Data

(Nominal, Ordinal) Numerical Data (Discrete, Continuous, Interval, Ratio)

How can I learn statistics for free?

  1. Statistics with R Specialisation by Coursera (Duke University) …
  2. Intro to Statistics by Udacity (Stanford University) …
  3. Statistical Learning by Stanford University. …
  4. Introduction to R by Leada. …
  5. Statistics: The Science of Decisions by Udacity (San Jose State University)

How can I get free statistical data?

  1. DES (Data Access Tools) A number of different databases from the U.S. Census Bureau.
  2. Ersys. Includes detailed statistics on nearly every metropolitan area in the US. …
  3. Explore Census Data. …
  4. FedStats. …
  5. Google Data Set Search. …
  6. Pew Research Center. …
  7. Statistical Sources.

Do statistics lie?


Yes

, using statistics to lie is easy – as you will soon see. … And, yes, statistics can be used to manipulate, obfuscate, sensationalize, and confuse.

Rachel Ostrander
Author
Rachel Ostrander
Rachel is a career coach and HR consultant with over 5 years of experience working with job seekers and employers. She holds a degree in human resources management and has worked with leading companies such as Google and Amazon. Rachel is passionate about helping people find fulfilling careers and providing practical advice for navigating the job market.