Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 135135 to 193193 cm and weights of 3838 to 150150 kg. Let the predictor variable x be the first variable given. The 100 paired measurements yield x overbarxequals=167.72167.72 cm, y overbaryequals=81.4981.49 ​kg, requals=0.2570.257​, ​P-valueequals=0.0100.010​, and ModifyingAbove y with caretyequals=negative 107−107plus+1.141.14x. Find the best predicted value of ModifyingAbove y with carety (weight) given an adult male who is 187187 cm tall. Use a 0.050.05 significance level

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.