The Physical Fitness Test National Level for Girls) Shows the National

question 15

Essay

The Physical Fitness Test National Level for Girls) shows the national average for 10­year­old girls on "right­angle push­ups" to be μ = 13.Principal Smyth hypothesizes her girls at Strong School are significantly above the national mean.If the $z_{c r i t}=-1.645, z_{o b t}=-2.0$ $H_{0}$ $H_{a}$ $\sigma_{X}$ = 6 and the scores for nine girls are as reported here, compute $Z_{a b t}$ and determine if Principal Smyth is right.Use α = .05.
14 16 18 16 12 16 17 20 15

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Definitions:

Crown

The part of a tooth that is visible above the gum line, or the top portion of a dental implant that replaces the natural tooth.

Mesenteries

Folds of peritoneum that attach the intestines to the posterior abdominal wall, providing support and housing blood vessels, nerves, and lymphatic vessels.

Serosal Lining

A smooth membrane consisting of a layer of cells which secrete serous fluid, covering internal organs and cavities.

Mucosal Lining

The moist, protective tissue lining various organs and body cavities, such as the mouth, nose, and digestive tract.