You Are Given the Following Information Obtained from a Random

question 17

Essay

You are given the following information obtained from a random sample of 5 observations. Assume the population has a normal distribution.
20 18 17 22 18
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.

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Definitions:

Mutually Accountable

A situation or relationship in which all parties involved accept responsibility for their actions and contributions toward a common goal.

Performance Results

The outcomes or outputs generated from an individual's or organization's actions, often used as a basis for evaluation and improvement.

Individual Attitudes

The psychological tendencies expressed by evaluating an entity with some degree of favor or disfavor, influencing individual behavior and perceptions.

Behaviours

Actions or reactions of an individual or group in response to external or internal stimuli.