The Russet Potato Company Has Been Working on the Development

question 28

Multiple Choice

The Russet Potato Company has been working on the development of a new potato seed that is hoped to be an improvement over the existing seed that is being used. Specifically, the company hopes that the new seed will result in less variability in individual potato length than the existing seed without reducing the mean length. To test whether this is the case, a sample of each seed is used to grow potatoes to maturity. The following information is given:
The correct null hypothesis for testing whether the variability of the new seed is less than the old seed is:

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Definitions:

Neural Circuits

Complex networks of neurons that work together to carry out specific functions in the nervous system.

Microbiome

The collection of all microbes, such as bacteria, fungi, viruses, and their genes, that live on and inside the human body.

Microorganisms

Tiny, often microscopic, life forms, including bacteria, viruses, fungi, and protozoa, that can be found in almost every environment on Earth.

Gut

The gut, or gastrointestinal tract, is the system of organs responsible for digestion and absorption of nutrients, as well as expulsion of waste.