What is a Z-score? A Z-score is a measure calculated for each and every individual from a sample, that takes into account the individual’s personal score, the sample’s mean and the sample’s standard deviation, and thus, attributes each and every individual from a certain sample, to the sample it originated Read more…
what is Jamovi? Jamovi is a powerful, open-source statistical software package that is designed to be easy to use and accessible to users of all skill levels. If you’re interested in learning Jamovi, there are a few key steps you can take to get started. Where can I find Jamovi? Read more…
A geometric distribution is a distribution in which there is a series of repeated and independent trials (Bernoulli trials with a chance of success or failure), with a fixed chance of success (P).Unlike the binomial distribution, which also consists of a series of Bernoulli trials, the geometric distribution has one Read more…
Descriptive statistics is the first encounter with the data, and gives us a primal intuition and idea of what is laid in front of us. Sometimes, for some reason, we’re interested not only in the overall descriptive statistics of the whole sample, but in certain groups drawn from the sample. Read more…
Let’s assume we have this table: At first, we’d build an aiding table to assist and simplify all the calculations; There’s the table: The mean is calculated as it is calculated for discrete tables. The mode is usually the mid-point of the class with the highest density (d); in some Read more…