BIOSTATISTICS NOTES

Statistics for Data Science (Inferential Statistics)

A chi-squared test is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables are independent in influencing the test statistic.

Differences Between The Null and Alternative Hypothesis

Essentially good hypotheses lead decision-makers like you to new and better ways to achieve your business goals. When you need to make decisions such as how much you should spend on advertising or what effect a price increase will have your customer base, it’s easy to make wild assumptions or get lost in analysis paralysis.… Read More »Importance of Hypothesis Testing in Quality Management

How to solve for and interpret z Scores is covered in this video. z = (X-Mean)/Standard DeviationQuantitative SpecialistsYouTube Channel: https://www.youtube...

This chapter summary covers simple linear regression models. Key topics include determining the simple linear regression equation, measures of variation such as total, explained, and unexplained sums of squares, assumptions of the regression model including normality, homoscedasticity and independence of errors. Residual analysis is discussed to examine linearity and assumptions. The coefficient of determination, standard error of estimate, and Durbin-Watson statistic are also introduced...

Our Normal Distribution Poster is a great educational resource that will help you create relevant and engaging Maths classrooms.

Essentially good hypotheses lead decision-makers like you to new and better ways to achieve your business goals. When you need to make decisions such as how much you should spend on advertising or what effect a price increase will have your customer base, it’s easy to make wild assumptions or get lost in analysis paralysis.… Read More »Importance of Hypothesis Testing in Quality Management

Sampling Distributions and Inferential Statistics

List of 3 binomial distribution examples with answers and solutions. What is binomial distribution? Definition and conditions for using the formula.

Want to know more about descriptive vs inferential statistics? Read More to know Descriptive Vs Inferential Statistics: Which Is Better & Why?

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Friendly Introduction to Hypothesis Testing and Type I & Type II Errors