# MAT201 Basic Statistics SLP 4 First Try Quiz Jan -2020.docx...

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MAT201 Basic Statistics SLP 4 First Try Quiz Jan -2020.docx

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Question 1   ( 3 points ) Using a random sample of n = 36 , the sample mean is 13.5 . Suppose that the population standard deviation is σ = 3 . The null and alternative hypotheses are below . Calculate the p value . ? o: μ = 15 ?? : μ ≠ 15
A Question 1 options :
A ) 0
B ) 1.220
C ) 0.0122
D ) 0.122
Question 2   ( 3 points ) Which one of the following can not represent a null hypothesis ?
Question 3   ( 3 points ) Using a random sample of n = 49 , the sample mean is 199.5 . Suppose that the population standard deviation is σ = 14 . The null and alternative hypotheses are below . Calculate the p value . Ho : μ ≤ 195 Ha : μ > 195
Question 4   ( 3 points ) Using a random sample of n = 36 , the sample mean is 2.92 . Suppose that the population standard deviation is σ = 0.18 . Is the above statistical evidence sufficient to make the following claim that µ < 3 . ? o: μ≥ 3 H ? : μ < 3 α = 0.05 . p value = 0.004 Interpret the results using the p value test .