Suppose That 9 Observations Are Drawn from a Normal Population

question 130

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.
H₀: ____________________
H₁: ____________________
B)Compute the value of the test statistic.
C)Determine the rejection region.
D)Interpret the results.

• A)State the null and alternative hypotheses.
• H₀: ____________________
• H₁: ____________________
• B)Compute the value of the test statistic.
• C)Determine the rejection region.
• D)Interpret the results.

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Definitions:

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