Hypothesis Testing: An Intuitive Guide for Making Data Driven Decisions
Let’s assume that you want a 95 percent confidence in your answer. This corresponds to a Z-score of 2, meaning that the number must fall within two standard deviations of the observed mean.
Maura Ginty • Landing Page Optimization: The Definitive Guide to Testing and Tuning for Conversions
A/B and multivariate tools identify when treatments have reached a level of significance where we can make decisions. For example, a simple computation might show that version A has x participants of which y percent converted and version B has m participants of which n percent converted. You
Avinash Kaushik • Web Analytics 2.0: The Art of Online Accountability and Science of Customer Centricity
This probability of obtaining another data set as extreme as the one collected is known as the P value. The P value is often criticized for being misunderstood and misused in the field of medicine.2,3 For example, in contrast to popular belief, the P value is not a measure of how correct a hypothesis is, nor is it a measure of the size or importanc... See more
Understanding the Differences Between Bayesian and Frequentist ...
In this last step, you might take the findings from a sample and apply them, drawing inferences and conclusions about the larger population.