Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
tValue can be used to quickly calculate unpaired Student t Values given two sets of mean, standard deviation and n. t values for difference from zero or other specified value can be calculated. Use the difference values for Set 1 and leave Set 2 blank for a paired t test.