Multiple Choice
A researcher wishes to test the effectiveness of a flu vaccination.Fifty randomly selected people are vaccinated,80 randomly selected people are vaccinated with a placebo,and 300 randomly selected people are not vaccinated.The number in each group who later caught the flu was recorded.The results are shown below. 
A) Yes
B) No,because the data are quantitative.
C) No,because the data do not appear to be random.
D) No,because the expected cell frequency condition is violated.
E) No,because the observed counts are too close to the expected counts.
Correct Answer:
Verified
Correct Answer:
Verified
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