A hypothesis states: a cooling fin on a cricket helmet improves player performance during summer matches. Which finding would most strongly support this hypothesis?
AHelmets with cooling fins are more expensive to produce in bulk
BCricket players generally prefer wearing lighter helmets in summer
CPlayers wearing the cooling-fin helmet had higher match-strike rates
DThe cooling fin adds 50 grams to the total weight of a helmet
Answer & Solution
Correct answer: C. Players wearing the cooling-fin helmet had higher match-strike rates
The hypothesis is about IMPROVED PERFORMANCE. Option C provides a direct performance metric (strike rate) tied to the helmet. The other options touch on cost, preference, or weight, none of which is performance.
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