Hypothesis Test & Statistical Analysis
No need for hypothesis testing here…
When you put resources into developing a new website, you want to know that your time and money were well spent. A/B testing and statistical analysis allows us to definitively say with 95% confidence in this case, that there is a statistically significant gain in click rate and time spent engaging with the new site regardless of preferred language. Someone in the IT team’s getting a raise…
EDA
Hypothesis Testing
Two-Sample Independent t-test to prove more time is spent on the new page
Two sample proportions z-test to prove the new site had a higher conversion rate
Chi-square test of independence to prove the click rate was not dependent on preferred language
ANOVA to prove time spent on the page was the same across the different languages