A Manufacturer Wants to Increase the Shelf Life of a Line

question 167

Multiple Choice

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 gave these shelf lives (in days) : 215, 217, 218, 219, 216, 217, 217, 218 and 218. At the 0.025 level, has the shelf life of the cake mix increased?

• A) Yes, because computed t is greater than the critical value.
• B) Yes, because computed t is less than the critical value.
• C) No, because computed t lies in the region of acceptance.
• D) No, because 217.24 is quite close to 216.
• E) None of these statements are true.

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Definitions:

Expressed Emotion

Expressed emotion entails the verbal and nonverbal expressions of mood or affect, often within familial or close interpersonal relationships.

Felt Emotion

The actual experience of emotion by an individual, as opposed to emotions that are displayed or assumed by others.

Affective Commitment

Organizational commitment based on an individual’s desire to remain in an organization.

Organizational Commitments

The psychological attachment and loyalty an employee feels towards their organization, influencing their willingness to stay and contribute.