Use the Following to Answer Questions

question 47

Short Answer

Use the following to answer questions :
A random sample of 20 elements selected from a population produced a variance equal to 11.072.Assume that the population is normally distributed.
-Based on this sample,the 90% confidence interval for the population standard deviation,rounded to three decimal places,is:

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Definitions:

Lactase

An enzyme found in the small intestine necessary for the digestion of lactose, the sugar found in milk.

Digestive System

Organ system that consists of digestive organs (stomach, intestines, etc.) and accessory organs (liver, etc.); ingests and digests food; absorbs nutrients and eliminates wastes.

Photosynthesis

A biochemical process in green plants and certain other organisms that converts light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.

By-product

A secondary product generated as a result of a manufacturing process, chemical reaction, or biological pathway, which was not the primary product or goal.