Data Science, Causal Inference, Linear Regression, Getting Started, Ab Testing.
TtestResult(statistic=-70.2769283935386, pvalue=0.0, df=89742.0) We got a p-value below 1%. So, we can reject the null hypothesis and conclude that there’s a difference in average time spent per case in the control and test groups. To understand the effect size, we can also calculate the confidence