The Next Questions Are Based on the Following Information

question 157

Multiple Choice

The Next Questions Are Based On The Following Information:
A hydraulic press is operating correctly when the standard deviation of the pressure is less than 120 pounds-per-square-inch (psi) .Suppose you take a random sample of 15 measurements throughout the day of the psi and find the standard deviation to be 148.Suppose you want to test whether the press is operating correctly.
-What is the decision rule for this test?

• A)Reject H₀ if (n - 1)s / σ₀ > or <
• B)Reject H₀ if (n - 1)s / σ₀ >
• C)Reject H₀ if (n - 1)s² / >
• D)Reject H₀ if (n - 1)s / σ₀ >

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Definitions:

Technological Advance

Improvements in technology that increase productivity and lead to new products or more efficient processes.

R&D Spending

The amount of financial resources allocated by organizations on research and development activities aimed at creating new products or improving existing ones.

Interest-Rate Cost

The cost incurred by an individual or entity due to borrowing funds, determined by the rate of interest on the borrowed amount.

Marginal Utility

The additional enjoyment or gain achieved by consuming another unit of a good or service.