p-value? parameter tests?
I tried to solve it but I couldn’t.
An online retail company performed an A/B test to check whether changing the size of the cart icon increases the expected number of items added to the cart before either placing an order or leaving the website. Here are the number of items added to the cart of the first 10 users in the two groups, control (A) and treatment (B):
Under the alternative H1, we expect a different distribution for the test statistic