{"blocks": [{"key": "2637d4ad", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ad02843c", "text": "You are analysing user engagement on a short-video sharing product.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c9f7d851", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "ae5d4ae5", "text": "Given a distribution of video views per user, how would you explain and compare its mode, median and mean? Each video a user watches has a 10 % chance of being shared. What is the probability that at least one of ten watched videos is shared? Average watch length has increased while average share count per video has decreased. Give possible hypotheses and outline how you would test them.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b147d06c", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "6cb29c5f", "text": "Apply basic descriptive statistics, binomial probability and causal hypothesis testing.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}