The Net Weights (In Grams)of a Sample of Bottles Filled

question 50

Multiple Choice

The net weights (in grams) of a sample of bottles filled by a machine manufactured by Edne,and the net weights of a sample filled by a similar machine manufactured by Orno,Inc.,are shown here. Testing the claim at the 0.05 level that the mean weight of the bottles filled by the Orno machine is greater than the mean weight of the bottles filled by the Edne machine,what is the critical value? Assume equal standard deviations for both samples.

• A)+2.179
• B)+2.145
• C)+1.782
• D)+1.761

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Definitions:

Sales Mix

The relative proportions in which a company’s products are sold. Sales mix is computed by expressing the sales of each product as a percentage of total sales.

Total Profits

The sum of all profits made by a business within a certain period, after all expenses have been deducted from total revenues.

Contribution Margin Ratio

The percentage of each sales dollar remaining after variable costs have been subtracted, indicating how much contributes towards fixed costs and profit.

Fixed Expenses

Expenses that do not fluctuate with changes in production level or sales volume, such as lease payments, insurance, and property taxes.