Summary Introduction Doing a descriptive statistical analysis of your dataset is absolutely crucial. A lot of people skip this part and therefore lose a lot of valuable insights about their data, which often leads to wrong conclusions. Take your time and carefully run descriptive statistics and make sure that the data meets the requirements to do further analysis.
Hello my name is Dr. I will be covering the following points-- a discussionof descriptive statistics, a discussionof inferential statistics, an exampleof a descriptive statistic, an example Statistics is the study of variation.
Social statistics is the study of variationin the social world. Variables in the social sciences are social characteristicsthat have variation such as gender, race, and income.
In examining variation, social scientists Descriptive statistics are statistics methodsthat organize and summarize quantitative data.
Inferential statistics are statistics methodsthat analyze a sample which is a subset of a populationto make inferences and predictions about a population. Descriptive statistics generally fallinto three general methods. Descriptive statistics that organizedata such as frequency distribution tables, barcharts, and pie charts.
Descriptive statistics that summarize databy identifying middle values are measures of central tendency. These statistics include mean, median, and mode. Descriptive statistics that summarize variationare measures of variation.
These statistics include range, variance,and standard deviation. Inferential statistics in the social sciencesrefer to many statistics tests using samplesto describe the social characteristics of populations.
These tests include a t-test, analysis of variance,or chi-square. To illustrate an example of a descriptive statistic,let's say I conducted a survey and obtaina sample of adult women and adult men The social characteristics of the survey participantsare representative of the social characteristicsof approximately million adults in the United States.
I'm curious to know the mean income of womenand the mean income of men of my sample. Mean is a descriptive statistic. Calculating the mean separately for women and men, According to my sample, men on averagemake more money than women.
While my sample of women and menshows the mean income for women is I conducted a t-test, which is an inferential statistic. A null hypothesis is set up so that gender is notrelated to income in the United Statesby stating that the gender difference in income is zero.We need statistics.
Let's take a look at the most basic form of statistics, known as descriptive statistics.
This branch of statistics lays the foundation for all statistical knowledge (pretty important, huh?), but it is not something that you should learn simply so you can use it in the distant future.
Intro to Descriptive Statistics. Introduction. Doing a descriptive statistical analysis of your dataset is absolutely crucial.
A lot of people skip this part and therefore lose a lot of valuable insights about their data, which often leads to wrong conclusions. Take your time and carefully run descriptive statistics and make sure that the.
Descriptive statistics are numbers that are used to summarize and describe data. The word "data" refers to the information that has been collected from an experiment, a survey, a historical record, etc.
Descriptive statistics will teach you the basic concepts used to describe data. This is a great beginner course for those interested in Data Science, Economics, Psychology, Machine Learning, Sports analytics and just about any other field.
Statistics for Engineers is called the prior, which is the probability distribution from any prior information we had before looking at the data (often this is taken to be a constant).
This lesson will introduce descriptive, or summary statistics. This is an important concept because when you're working with the data, particularly large data sets.