Compute the Standardized Test Statistic $X ^ { 2 }$ To Test the Claim

question 109

Multiple Choice

Compute the standardized test statistic, $X ^ { 2 }$ to test the claim $\sigma ^ { 2 } > 15.2 \text { if } \mathrm { n } = 18 , \mathrm {~s} ^ { 2 } = 21.6 , \text { and } \alpha = 0.01$

• A)24.158
• B)28.175
• C)33.233
• D)43.156

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Definitions:

Gastrocnemius

A major calf muscle that flexes the leg at the knee and foot.

Soleus

A powerful muscle in the back part of the lower leg (calf) that is involved in standing and walking.

Hamstring Group

A group of three muscles located at the back of the thigh, responsible for bending the knee and extending the hip.

Biceps Femoris

A muscle of the posterior thigh that flexes the knee and extends the hip, part of the hamstring group.