Ready to Level-Up?

Join our Fundamentals of Lean Course today – 100% Free

he 1 Sample Sign Test is a statistical test used to determine whether or not there is a statistically significant difference between two groups.

The 1-sample sign test is a statistical tool used to assess whether two samples are significantly different. The 1 sample sign test can be used to compare two means, two proportions, or two variances. The 1 sample sign test is a non-parametric test, meaning that it does not require the data to be normally distributed.

How the 1 Sample Sign Test Works


The 1 sample sign test works by calculating the difference between the two means and then dividing that by the standard deviation. If the absolute value of the z-score is greater than 2.58, then the null hypothesis is rejected and the difference is considered significant at the p < .05 level.

Examples of when to use the 1 sample sign test include when you want to compare two means but do not have enough data to use a t-test, when you want to compare two proportions but do not have enough data to use a chi-square test, or when you want to compare two variances but do not have enough data to use an F-test.

When to Use the 1 Sample Sign Test


The 1 sample sign test can be used in a variety of situations. Some examples include comparing:

– The mean of a normally distributed population with a known population mean

– The mean of a normally distributed population with a hypothesized population mean

– The proportion of successes in a binomial distribution with a known population proportion

– The variance of a normally distributed population with a known population variance

Conclusion:


In conclusion, the 1 sample sign test is a statistical tool that can be used to assess whether two samples are significantly different. The 1 sample sign test can be used to compare two means, two proportions, or two variances. The 1 sample sign test is a non-parametric test, meaning that it does not require the data to be normally distributed.

To learn more about the 1 Sample Sign Test, join our Lean Six Sigma Green Belt Course and take advantage of the free trial.

Search

Never Miss An Update

Stay updated about Leanscape news, courses and training as it happens

The Leanscape journey and introduction into Lean is simply magic. I have been on several Lean management and 5S courses

Ruby Wolff – COO Aramex – South Africa

Ready to talk?
I want to talk to your experts in Business Transformation so ...

Contact us to get more information

Ready to talk?

Book a call with us today to learn how we can help you.

Over 16,000 members

Ready to accelerate your career and build your skills. Learn more about our courses, training and upskilling programs

Related Articles

Explore industry-specific case studies and insights showcasing success stories

WHY MOST PLANS FAIL BY MARCH Leaders around the world end up doing the same thing every single

Contemporary software organisations are under intense pressure to deliver digital products faster, more securely, and more stably; however,

Introduction to Agile “Agile software development is founded on the idea of iterative, incremental delivery, where teams embrace

Our Lean Six Sigma Training Courses Online

Ready to start your journey into the world of Lean with this free course?

FREE COURSE

A Lean focused continious improvement certification course

only £119

Propel your career forward, tackle complex problems and drive change

Only £167

The ultimate fast-track for future leadership

only £849

Become an expert in change management and complex problem-solving.

Only £1649

TAKE OUR QUIZ

WHICH COURSE is right for you?

Take our short quiz to find out which of our courses is right for you. 

Register Your Interest

Please complete the form below for more information