Adult female Dalmatians weigh an average of 50 pounds with a standard deviation of 3.3
pounds.Adult female Boxers weigh an average of 57.5 pounds with a standard deviation of 1.7 pounds.One statistics teacher owns an underweight Dalmatian and an underweight
Boxer.The Dalmatian weighs 45 pounds, and the Boxer weighs 52 pounds.Which dog is
more underweight? Explain.

Question

Quizplus · Accepted Answer

The Answer is Dalmatian:

\mathrm { z } _ { \mathrm { D } } = ( 45 - 50 ) / 3.3 \equiv - 1.52

Boxer:

\mathrm { Z } _ { \mathrm { B } } = ( 52 - 57.5 ) / 1.7 \cong - 3.24

The Dalmatian is 1.52 standard deviations underweight, while the Boxer is 3.24 standard deviations underweight.So, the Boxer is more underweight.

Adult Female Dalmatians Weigh an Average of 50 Pounds with a Standard