Question: Sample 1 (trained). Sample 2 (Untrained) Ps1=0.47 Ps2=0.43 N1=157 N2=113 about half of the police officers in Shinbone, Kansas, have completed a special course in

Sample 1 (trained). Sample 2 (Untrained)

Ps1=0.47 Ps2=0.43

N1=157 N2=113

about half of the police officers in Shinbone, Kansas, have completed a special course in investigative procedures. the sample cases are reflected above. Can you explain in steps if the efficiency increased in clearing crimes by arrest between the two cases?

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