Category Archives: Uncategorized

WHY YOU NEED TO TAKE STATS 101

Posted on August 11, 2020 by statswithcats

Whether you’re in high school, college, or a continuing education program, you may have the opportunity, or be required, to take an introductory course in statistics, call it Stats 101. It’s certainly a requirement for degrees in the sciences and … Continue reading →

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PROBABILITY IS SIMPLE … KINDA

Posted on August 1, 2020 by statswithcats

Language isn’t very precise in dealing with uncertainty. Probably is more certain than possibly, but who knows where dollars-to-doughnuts falls on the spectrum. Statistics needs to deal with uncertainty more quantitatively. That’s where probability comes in. For the most part, … Continue reading →

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What To Look For In Data

Posted on July 17, 2020 by statswithcats

Sometimes you have to do things when you have no idea where to start. It can be a stressful experience. If you’ve ever had to analyze a data set, you know the anxiety. Deciding how and where to start exploring … Continue reading →

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35 Ways Data Go Bad

Posted on July 11, 2020 by statswithcats

When you take your first statistics class, your professor will be a kind person who cares about your mental well-being. OK, maybe not, but what the professor won’t do is give you real-world data sets. The data may represent things … Continue reading →

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The Most Important Statistical Assumptions

Posted on July 5, 2020 by statswithcats
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The Kibble Buffet Experiment

Posted on May 12, 2020 by statswithcats

My three indoor cats are all seniors now, so I’m even more concerned that they have a healthy diet. I feed them both wet and dry food. They share most of two cans of wet food per day and have … Continue reading →

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What to Look for in Data – Part 2

Posted on January 27, 2019 by statswithcats

What to Look for in Data – Part 1 discusses how to explore data snapshots, population characteristics, and changes. Part 2 looks at how to explore patterns, trends, and anomalies. There are many different types of patterns, trends, and anomalies, … Continue reading →

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WHAT TO LOOK FOR IN DATA – PART 1

Posted on January 21, 2019 by statswithcats

Some activities are instinctive. A baby doesn’t need to be taught how to suckle. Most people can use an escalator, operate an elevator, and open a door instinctively. The same isn’t true of playing a guitar, driving a car, or … Continue reading →

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DARE TO COMPARE – PART 4

Posted on January 13, 2019 by statswithcats

Part 3 of Dare to Compare shows how one-population statistical tests are conducted. Part 4 extends these concepts to two-population tests. To review, this flowchart summarizes the the process of statistical testing. First, you PLAN the comparison by understanding the … Continue reading →

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DARE TO COMPARE – PART 3

Posted on December 1, 2018 by statswithcats

Parts 1 and 2 of Dare to Compare summarized fundamental topics about simple statistical comparisons. Part 3 shows how those concepts play a role in conducting statistical tests. The importance of these concept are highlighted in the following table. Test … Continue reading →

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