The Next Questions Are Based on the Following Information

question 103

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.
-A random sample of size 10 is selected from a normal population,where the population standard deviation is unknown.Assume that a two-tailed test at the 0.10 significance level is to be used.For what value of t will the null hypothesis not be rejected?

• A)to the left of -1.812 or to the right of 1.812
• B)to the left of -1.372 or to the right of 1.372
• C)to the left of -1.833 or to the right of 1.833
• D)to the left of -1.383 or to the right of 1.383

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Definitions:

Inappropriate Affect

an emotional response or expression that is inconsistent with the situation at hand or the individual's emotional state.

Denotative Meaning

Meaning of a word shared by individuals who use a common language. The word baseball has the same meaning for all individuals who speak English, but the word code primarily denotes cardiac arrest to health care providers.

Personal Space

The physical distance individuals prefer to maintain between themselves and others to feel comfortable.

Hearing Aid

A device designed to improve hearing by making sound audible to a person with hearing loss.