A Manufacturer Wants to Increase the Shelf Life of a Line

question 98

Short Answer

A manufacturer wants to increase the shelf life of a line of cake mixes. Past records indicate that the average shelf life of the mix is 216 days. After a revised mix has been developed, a sample of nine boxes of cake mix had a mean of 217.222 and a standard deviation of 1.2019. What is the value of the test statistic?

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Definitions:

Editing

The process of revising written text to improve clarity, accuracy, and coherence, ensuring it communicates the intended message effectively.

Clustering

A method of organizing ideas or information into related groups during the creative or planning processes.

Gathering

The act of collecting information or data from various sources, or the assembly of people for a specific purpose.

Revising

The process of reviewing and altering a document or work to improve its content, clarity, and overall quality.