You are given the following information obtained from a random sample of 5 observations. Assume the population has a normal distribution.
You want to determine whether or not the mean of the population from which this sample was taken is significantly less than 21.
a.State the null and the alternative hypotheses.
b.Compute the standard error of the mean.
c.Determine the test statistic.
d.Determine the p-value and at 90% confidence, test whether or not the mean of the population is significantly less than 21.
Definitions:
Physical Systems
Entities or structures consisting of physical components that interact according to principles of physics, often analyzed in fields like engineering and mechanics.
Transactive Memory System
A shared system of remembering information among members of a group, which allows them to collectively store, encode, and retrieve knowledge.
Training Experience
The process and background of acquiring new skills, knowledge, and competencies, often in a formal or structured setting.
Group Test Day
A specific day designated for assessing the performance, knowledge, or skills of a group through tests or evaluations.
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