Does the Speedo Fastskin II Male Hi-Neck Bodyskin Competition Racing

question 22

Multiple Choice

Does the Speedo Fastskin II Male Hi-Neck Bodyskin competition racing swimsuit improve a swimmer's 200-yard individual medley performance times? A test of 100 randomly chosen male varsity swimmers at several different universities showed that 66 enjoyed improved times,compared with only 54 of 100 female varsity swimmers.To test for equality in the proportions of men versus women who experienced improvement,the test statistic is approximately

• A)1.73
• B)1.47
• C)2.31
• D)We cannot tell without knowing the tail of the test.

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Definitions:

Female Reproductive System

The biological system in females encompassing organs such as the ovaries, fallopian tubes, uterus, and vagina, responsible for reproduction.

Male Reproductive System

The collection of external and internal organs in males that function in the process of producing sperm and conveying it to the female reproductive system.

Male Reproductive System

The biological system in males responsible for generating and transporting sperm, as well as producing male sex hormones, primarily involving the testes, prostate, and penis.

Abdominal Wall

The layers of muscles and tissues that form the front boundary of the abdomen, providing structural support and protecting internal organs.