How to Use Scientific Calculator

How to Use Scientific Calculator text overlay on blue box

Regardless of whether you’re looking to do plain arithmetic or want to solve complex science and engineering problems, you can rely on a scientific calculator to help. Getting acquainted with a scientific calculator’s functions can be challenging. Going through the manual is an option, but the instructions can sometimes seem needlessly convoluted.  Here’s an easy …

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How to Find Standard Deviation On A Calculator

How to Find Standard Deviation On A Calculator, standard deviation

If you’re taking an introductory statistics course, you’ll find out sooner than later that there’s no need for you to calculate standard deviation by hand all the time. While some statisticians-in-training get access to computers in class and use R or SAS to calculate standard deviation, many don’t have that luxury.  But luckily, graphing calculators …

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When To Use Paired t-Test

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A t–Test in statistics is a hypothesis testing method that facilitates the comparison of the results (more specifically, the means) of two scenarios.  These tests are termed “t-Tests” because they boil the sample data down to one number called the t-value. Paired t-Tests are a variation of regular t-Tests, and these tests only work on …

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How To Interpret T-Test Results

How To Interpret T-Test Results

In statistics, hypothesis tests enable you to gauge whether the results of a study, experiment, or survey have produced meaningful results. T-tests are of different types and can be used under different circumstances. If you need to compare a mean to a hypothesized value, you can use a simple one-sample T-test. On the other hand, …

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How To Do T-Test?

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In this article, we will achieve a clear understanding of  The definition of t-test, different terminologies/ factors involved in conducting t-test like mean, variance, standard deviation, significance level, degree of freedom, t-value, and p-value, assumptions for t-test calculation, different kinds of t-tests, how to do the test for each kind of t-test, and how we …

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