Category: DS-AI

Hypothesis is basically “an educated guess” A good hypothesis translates a problem statement or a research question into a format that makes it easier to examine. Hypothesis testing deals with a sample and then the results are generalized to the larger population. 1. Null Hypothesis is usually a statement of no relationship between variables or…

Computing and understading averages Average is the one value that best represents an entire group of scores. It is also called measures of central tendency Mean – is the most common type of average that is computed Example, a collection is [2150, 1534, 3564], then the mean is (2150 + 1534 + 3564) / 3…

2 types of statistics Descriptive Statistics are used to organize and describe the characteristics of a collection of data For example, you have the names of 22 college students, their major areas of status, and their ages. If you need to desribe what the most popular college major is, you could use a descriptive statistic…