A Sample Has a Mean of M = 39

question 60

Multiple Choice

A sample has a mean of M = 39.5 and a standard deviation of s = 4.3,and produces a t statistic of t = 2.14.For a two-tailed hypothesis test with α = .05,what is the correct statistical decision for this sample?​

• A)​The researcher can reject the null hypothesis with α = .05 but not with α = .01.
• B)​The researcher can reject the null hypothesis with either α = .05 or α = .01.
• C)​The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.
• D)​It is impossible to make a decision about H₀ without more information.

---

Definitions:

Outsource

The practice of contracting work out to an external organization rather than performing it in-house.

Information

Data that has been processed in such a way that it can be used to inform decisions, strategies, and actions.

Supply Chain

A composite of enterprises, participants, procedures, information, and instruments implicated in the conveyance of a product or service from the vendor to the patron.

Lost Sales

Potential sales that cannot be realized due to stockouts, inadequate inventory, or other operational issues.