1 Sample Sign Test

Search

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.

Jump To Section

Accelerate your success

Connect With Our Team

The only way to make change happen is to take the next step. Transform your organisation into a competitive leader.

NEWSLETTER

Never Miss an update

Get our Weekly recap with the latest news, articles and resources.

Related Articles

LEAN SIX SIGMA Online Courses

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. 

Get in touch ✦ Learn how we can help you