A Consumer Products Company Wants to Increase the Absorption Capacity

question 127

Multiple Choice

A consumer products company wants to increase the absorption capacity of a sponge. Based on past data, the average sponge could absorb 3.5 ounces. After the redesign, the absorption amounts of a sample of sponges were (in ounces) : 4.1, 3.7, 3.3, 3.5, 3.8, 3.9, 3.6, 3.8, 4.0, and 3.9. At the 0.01 level of significance, what is the decision rule to test if the new design increased the absorption of the sponge?

• A)Reject null hypothesis if computed t is less than 2.580.
• B)Reject null hypothesis if computed t is greater than 2.821.
• C)Reject null hypothesis if computed z is 1.96 or larger.
• D)Reject null hypothesis if computed t is less than 2.764.

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Definitions:

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Pertains to the work of keeping financial records, preparing tax returns, and advising on tax liabilities.

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An accounting method in which revenues and expenses are recorded only when cash is received or paid out, not when the transaction occurs.

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Physical items that are produced or purchased for sale.

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