The Common Cricket Can Be Used as a Crude Thermometer

question 19

Multiple Choice

The common cricket can be used as a crude thermometer. The colder the temperature, the slower the rate of chirping. The table below shows the average chirp rate of a cricket at various temperatures.
$\begin{array} { c c } \hline \begin{array} { c } \text { Chirp Rate } \\\text { (chirps/second) }\end{array} & \begin{array} { c } \text { Temperature } \\\left( { } ^ { \circ } \mathrm { F } \right) \end{array} \\\hline 1.9 & 47.7 \\2.7 & 67.7 \\2.8 & 65.4 \\1.4 & 42.8 \\1.7 & 54.7 \\3.0 & 63.3 \\\hline\end{array}$
The least-squares regression line for predicting the temperature from the chirp rate is $y = 25.6974 + 13.8826 x$ Predict the temperature if the chirp rate is 1.6 chirps per second.

• A) 51 ºF
• B) 48 ºF
• C) 44 ºF
• D) 22 ºF

---

Definitions:

Psychological Counseling

The professional practice of helping individuals understand and manage their thoughts, emotions, and behaviors through various therapeutic techniques.

Boomerang Children

Adult children who return to live with their parents after a period of independence, often due to economic reasons or personal circumstances.

Psychological Distress

A state of emotional suffering characterized by symptoms such as anxiety, depression, and stress, often resulting from adverse life circumstances.

Divorcing Parents

Parents who are in the process of legally dissolving their marriage, which can impact family dynamics and children's well-being.