given:n = 16observed sample mean x¯ = 8.9observed sample variance s2 = 25μ0 = 10.5part a) find the observed test statistic for testing H0: μ=μ0 versus H1: μ≠μ0 part b) the p-value and significance at the 5% levelpart c) the confidence interval at 95% Suppose we next want to compute a 95% confidence interval for u.What is the lower endpoint of this 95% confidence interval? Give answer to three decimal places.Answer:Answer savedWhat is the upper endpoint of this 95% confidence interval? Give answer to three decimal places.Answer: Consider a random sample of size n from a normal distribution with unknown mean u and unknown variance o?. Suppose the sample mean isX and the sample variance is S?. We would like to test Ho : µ = µo versus H1 : µ + µo.What test statistic should you should use to test Ho versus H, ?Select one:X-HoO a. T=n tn-1O b. W =(n-1)s?O c. Z =ΤΗ N 0, 1)2.Clear my choice

We have given that n = 16, x¯ = 8.9 , s2 = 25μ0 = 10.5

given: n = 16 observed sample mean x¯ = 8.9 observed sample variance s2 = 25 μ0 = 10.5 part a) find the observed test statistic for testing H0: μ=μ0 versus H1: μ≠μ0 part b) the p-value and significance at the 5% level part c) the confidence interval at 95%

given: n = 16 observed sample mean x¯ = 8.9 observed sample variance s2 = 25 μ0 = 10.5 part a) find the observed test statistic for testing H0: μ=μ0 versus H1: μ≠μ0 part b) the p-value and significance at the 5% level part c) the confidence interval at 95%

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

given:
n = 16
observed sample mean x¯ = 8.9
observed sample variance s² = 25
μ₀ = 10.5

part a) find the observed test statistic for testing H₀: μ=μ₀ versus H₁: μ≠μ₀

part b) the p-value and significance at the 5% level

part c) the confidence interval at 95%

Suppose we next want to compute a 95% confidence interval for u.
What is the lower endpoint of this 95% confidence interval? Give answer to three decimal places.
Answer:
Answer saved
What is the upper endpoint of this 95% confidence interval? Give answer to three decimal places.
Answer:

Consider a random sample of size n from a normal distribution with unknown mean u and unknown variance o?. Suppose the sample mean is
X and the sample variance is S?. We would like to test Ho : µ = µo versus H1 : µ + µo.
What test statistic should you should use to test Ho versus H, ?
Select one:
X-Ho
O a. T=
n tn-1
O b. W =
(n-1)s?
O c. Z =
ΤΗ N 0, 1)
2.
Clear my choice

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