Multiple Choice
Of 250 adults who tried a new multi-grain cereal, "Wow!", 187 rated it excellent; of 100 children sampled, 66 rated it excellent. What test statistic should we use to compare the ratings of adults and children?
A) z-statistic
B) Right one-tailed test
C) Left one-tailed test
D) Two-tailed test
Correct Answer:
Verified
Correct Answer:
Verified
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