Question

Define the parameter of interest.

Short answer

Parameter of interest is the variable on which whole focal point of the scientist lies. Here, rate of healing wounds is being estimated by the biologists. In this way, one might say that the mean healing rate of wounds is the parameter of interest.

Step-by-step solution

Given information

Given in the question that, Biologists studying the healing of skin wounds measured the rate at which new cells closed a cut made in the skin of an anesthetized newt. Here are data from a random sample of $18$newts, measured in micrometers (millionths of a meter) per hour:

$292734402228143526351230231811222333$

We need to define the parameter of interest.

Explanation

The given dataset is

$29$

$27$

$34$

$40$

$22$

$28$

$14$

$35$

$26$

$35$

$12$

$30$

$23$

$18$

$11$

$22$

$23$

$33$

Parameter of interest is the variable on which whole focal point of the scientist lies. Here, rate of healing wounds is being estimated by the biologists. In this way, one might say that the mean healing rate of wounds is the parameter of interest.