7. A new medicine has been developed and its effectiveness
has been determined by carrying out an experimental study.
30 patients were divided into groups of 20 and 10. The group
having 20, were given medicine while the other group dint
get any medication. The results obtained where as follows:-

Medication
Non-medication
Improved 8
2
Unimproved 12
8
Based on data, I think medication was:-

Answer Posted / sundaravalli

I think so its option d

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