**Core Concept**
The question is testing the concept of a mathematical formula used to estimate ideal body weight or body mass index (BMI) in a population. This formula is a simple and practical method to assess nutritional status or to estimate the ideal body weight of a patient.

**Why the Correct Answer is Right**
The formula "height in centimeters by cube root of body weight" is also known as the **Broca's Index** or the **Broca's Formula**. This formula is used to estimate the ideal body weight of a patient. It takes into account the height of the individual and their body weight. The cube root of body weight is used to adjust for the body mass index (BMI) of the individual. This formula is particularly useful in assessing nutritional status or in estimating the ideal body weight of a patient for medical purposes.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not a recognized formula for estimating ideal body weight or BMI. It is not a standard formula used in clinical practice.
* **Option B:** This option is not a recognized formula for estimating ideal body weight or BMI. It is not a standard formula used in clinical practice.
* **Option C:** This option is not a recognized formula for estimating ideal body weight or BMI. It is not a standard formula used in clinical practice.

**Clinical Pearl / High-Yield Fact**
Broca's Index or Broca's Formula is a simple and practical method to assess nutritional status or to estimate the ideal body weight of a patient. It is particularly useful in patients with chronic diseases, such as diabetes or chronic kidney disease, where accurate estimation of body weight is crucial for managing the disease.

**Correct Answer: C. Broca's Index.