Suppose That 9 Observations Are Drawn from a Normal Population

question 148

Essay

Suppose that 9 observations are drawn from a normal population whose standard deviation is 2.The observations are: 15,9,13,11,8,12,11,7,and 10.At 95% confidence,you want to determine whether the mean of the population from which this sample was taken is significantly different from 10.
a.State the null and alternative hypotheses.
b.Compute the value of the test statistic.
c.Compute the p-value.
d.Interpret the results.

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Definitions:

Rewards

Positive reinforcements or incentives used to encourage specific behaviors or responses, often serving as motivators in learning and behavior modification.

Caution

The practice of avoiding potential dangers or mistakes by taking careful measures or considering possible consequences.

Neuroticism

A personality trait associated with experiencing negative emotions like anxiety, depression, and anger more frequently and intensely.

Emotional Events

Occurrences that trigger strong emotional responses, potentially leading to significant psychological effects and behaviors.