Hypothesis Test for the Mean57. Let’s do a hypothesis test on a single population. Either we either know the population variance or […] April 15, 2024 in Statistics tagged MEAN / test / statistics / hypothesis / Statistics Hypothesis by Mike
The Gapminder FoundationWikipedia says: “Gapminder Foundation is a non-profit venture registered in Stockholm, Sweden, that promotes sustainable global development and […] April 13, 2024 in Data Analytics tagged statistics / foundation / gapminder / data / world by Mike
Measures of PositionMeasures of position let you determine the position of a value in relation to other values in a […] October 12, 2023 in Statistics tagged statistics / percentile / quartile / position / median / Statistics by Mike
Choosing a Statistical TestHere is an article over at Scribbr that explains how to choose a statistical test. The article is […] October 9, 2023 in Statistics tagged choose / stats / test / statistics by Mike
Measures of DispersionAfter considering measures of central tendency and asymmetry in our discussion of descriptive statistics, it’s time to look […] August 19, 2023 in Statistics tagged statistics / measure / deviation / dispersion / Statistics by Mike
Population and SamplingPopulation and Sample The population includes all objects of interest whereas the sample is only a portion of […] August 5, 2023 in Statistics tagged population / parameter / statistics / statistic / sampling / Statistics by Mike
Describe method in PandasThe describe() method can be used on a pandas DataFrame. describe() returns descriptive statistics of only columns with […] July 21, 2023 in Python tagged max / min / describe / quartile / data / MEAN / statistics by Mike
The aggregate Function in RThe aggregate function splits the data into subsets, computes summary statistics for each, and returns the result in […] March 31, 2023 in R Language tagged aggregate / statistics / summary / stats by Mike
1 skim_without_charts in RThis function gives us a pretty comprehensive summary of a dataset. We get the number of rows and […] March 30, 2023 in R Language tagged skim / without / percentile / MEAN / unique / statistics / charts / R by Mike
Margin of ErrorIn this post, we’ll introduce a new statistics term called the margin of error. Since a sample is […] December 18, 2022 in Statistics tagged margin / statistics / error / Statistics Confidence Intervals by Mike
Inferential StatisticsUp to now in our study of the basics of Statistics we’ve covered descriptive statistics. Click on the […] December 16, 2022 in Statistics tagged statistics / distribution / inferential / Inferential Statistics by Mike
R Language IntroductionWhat is the R programming language? Wikipedia says: “R is a programming language for statistical computing and graphics […] December 13, 2022 in R Language tagged programming / statistics / R by Mike