The Volumes (In Ounces) of Juice in Eight Randomly Selected $\begin{array} { l l l l } 15.7 & 15.0 & 15.1 & 15.8 \\ 15.4 & 15.2 & 15.5 & 15.6 \end{array}$

question 70

Multiple Choice

The volumes (in ounces) of juice in eight randomly selected juice bottles are as follows:

$\begin{array} { l l l l } 15.7 & 15.0 & 15.1 & 15.8 \\ 15.4 & 15.2 & 15.5 & 15.6 \end{array}$
Find a 99% confidence interval for the standard deviation, $\sigma$ , of the volumes of juice in all such bottles. Round to the nearest hundredth when necessary.

• A) (0.19, 0.88)
• B) (0.17, 0.66)
• C) (0.17, 0.77)
• D) (0.16, 0.66)

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Definitions:

Subtle Hints

Indirect or not clearly stated suggestions that are often used to convey information or influence behavior without direct communication.

Experimental Study

A research methodology that involves manipulating one variable to determine if it causes a change in another variable, within a controlled environment.

Human Laboratory Studies

Experiments conducted in a controlled environment with human participants to investigate various aspects of behavior, cognition, and physiology.

External Validity

The extent to which the results of a study can be generalized to other situations and to other people.