A Wild Life Biologist Believes That the Median Length of the Fish

question 124

Multiple Choice

A wild life biologist believes that the median length of the fish in a lake is 3 5 cm. A random sample of 14 fish yields the following lengths.
$\begin{array} { l l l l l l l l l l l l l l } 20 & 20 & 22 & 24 & 24 & 26 & 27 & 29 & 30 & 32 & 35 & 37 & 41 & 43 \end{array}$
Test the biologist's hypothesis at $\alpha = 0.05$ .

• A) Reject the claim because the test value 4 is more than the critical value 3 .
• B) Reject the claim because the test value 4 is more than the critical value 2 .
• C) Do not reject the claim because the test value 3 is equal to the critical value 3 .
• D) Do not reject the claim because the test value 3 is more than the critical value 2 .

---

Definitions:

Epigenetics

The study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself.

Neurogenesis

The process of generating new neurons in the brain, which continues to occur in certain regions throughout life.

Neural Pruning

The process of eliminating unused neurons and synaptic connections in the brain to enhance the efficiency of neuronal transmissions.

Plasticity

The brain's ability to change and adapt as a result of experience or injury.