选择题
2022 AMC 8 Problem 21: Simpson's Paradox
Steph scored 15 baskets out of 20 attempts in the first half of a game, and 10 baskets out of 10 attempts in the second half. Candace took 12 attempts in the first half and 18 attempts in the second. In each half, Steph scored a higher percentage of baskets than Candace. Surprisingly they ended with the same overall percentage of baskets scored. How many more baskets did Candace score in the second half than in the first?
2022 AMC 8 第21题：辛普森悖论
斯蒂芬上半场20投15中，下半场10投10中。坎迪斯上半场出手 12 次，下半场出手 18 次。每个半场，斯蒂芬的投篮命中率都高于坎迪斯。令人惊讶的是，他们最终的总体投篮得分百分比相同。坎迪斯下半场比上半场多进了多少个球
A.
7
B.
8
C.
9
D.
10
E.
11