Clarify output dtype guidance for `mean`, `var`, and `std`#260

Merged

rgommers merged 3 commits intomainfrom

stat-reduction-dtypes

Sep 14, 2021

Commits on Sep 13, 2021

Fix return dtype for floating-point input arrays
kgryte
committed
Merge branch 'main' of https://github.com/pydata-apis/array-api into stat-reduction-dtypes
kgryte
committed
Update language based on input data type recommendations
kgryte
committed