[fix](regr) Use Youngs-Cramer for REGR_SLOPE/INTERCEPT to align with PG - #55940

[fix](regr) Use Youngs-Cramer for REGR_SLOPE/INTERCEPT to align with PG#55940

zclllyybb merged 4 commits into

apache:masterapache/doris:masterfrom

JoverZhang:fix_regr_slope_interceptJoverZhang/doris:fix_regr_slope_interceptCopy head branch name to clipboard