1884统计中等essayshort
Displayed Capacity Bias from Missing Closures
题目
A live database shows 28 small-capacity funds and 42 large-capacity funds. Survival rates for those groups were 40% and 70%, respectively. Suppose small-capacity funds average billion of capacity and large-capacity funds average billion.
By how much does the displayed live-panel average capacity overstate the original launch-universe average capacity?
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