Homework Answers
Option b) is correct.
Confidence interval (-4.1, 1.3) include 0 between the confidence interval.
Therefore, we fail to reject H0
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6 Given a hypothesis test of: Ho: M1 = U2 against H1: M1 # uz and...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes are n1 = 13, n2 = 10 x1=4.7, x2 =6.8, s1= 2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume 01 2 = 022 by completing the steps i. through v. below. Use a = 0.05. HO: 01 2 = 02 20:01 2 * 022 i. Test Statistic ii....
1. Consider the hypothesis test Ho: M1= H2 against Hj: Mit u2. Suppose that sample sizes...
1. Consider the hypothesis test Ho: M1= H2 against Hj: Mit u2. Suppose that sample sizes are ni = 13, N2 = 10 ži=4.7, X2 =6.8, S1=2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume o = ož by completing the steps i. through v. below. Use a = 0.05. Ho: 01 = ož Họ: 0 + 03 i. Test Statistic: ii. Rejection Criterion: iii....
1. Consider the hypothesis test Ho: Mi=u2 against Hj: uit U2. Suppose that sample sizes are...
1. Consider the hypothesis test Ho: Mi=u2 against Hj: uit U2. Suppose that sample sizes are ni = 13, n2 = 10 #1=4.7, X 2 =6.8, s1=2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume o? = ož by completing the steps i. through v. below. Use a = 0.05. Ho: 0 = ož Ho: 02 i. Test Statistic: ü. Rejection Criterion: iii. Decision (reject...
Consider the hypothesis test Ho: Mi = U2 against HL : M1 <H2 with known variances...
Consider the hypothesis test Ho: Mi = U2 against HL : M1 <H2 with known variances a = 9 and 62 = 5. Suppose that sample sizes nj = 9 and n2 = 15 and that I = 14.3 and 12 = 19.5. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if H1 is 4 units less than 2? (c) Assuming equal sample sizes, what...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho : M1 = up...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho : M1 = up against H1 : M1 < u2 with known variances 01 = 10 and 02 = - 6. Suppose that sample sizes ni = 11 and n2 = 14 and that ži = 14.3 and 12 = 19.6. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if ui is 4...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho: M1 = H2 against...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho: M1 = H2 against H:41 <H2 with known variances j = 10 and 62 = 5. Suppose that sample sizes nj = 10 and 12 = 15 and that Ij = 14.2 and 12 = 19.7. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if u1 is 4 units less than 2? (c)...
1. Consider the hypothesis test Ho:ui= u2 against Hi: 417 42. Suppose that sample sizes are...
1. Consider the hypothesis test Ho:ui= u2 against Hi: 417 42. Suppose that sample sizes are n1 = 13, N2 = 10 X1=4.7, x2=6.8, s1=2 and S2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (b) Complete the steps i. through to test the hypothesis stated in number 1 using a = 0.05 and the fact that the populations variances can be assumed to be equal. Ho: Mi= H2 Hj: Mit up i. Test Statistic:...
Consider the hypothesis test Ho: Mi = u2 against Hui < u2 with known variances 01...
Consider the hypothesis test Ho: Mi = u2 against Hui < u2 with known variances 01 = 10 and 02 = 6. Suppose that sample sizes nj = 11 and n2 = 14 and that Ij = 14.3 and I2 = 19.6. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if fi is 4 units less than 12? (C) Assuming equal sample sizes, what sample...
Consider the hypothesis test Ho: Mi = u2 against Hui <Hz with known variances j =...
Consider the hypothesis test Ho: Mi = u2 against Hui <Hz with known variances j = 9 and 02 = 5. Suppose that sample sizes n = 9 and n2 = 15 and that j = 14.3 and 12 = 19.5. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if u is 4 units less than 12? (c) Assuming equal sample sizes, what sample size...
Consider the hypothesis test Ho : H1 = H2 against H1 : HI # Hz with...
Consider the hypothesis test Ho : H1 = H2 against H1 : HI # Hz
with known variances oj = 1 1 and oz = 4. Suppose that sample sizes
ni = 11 and n2 = 16 and that X = 4,7 and X2 = 7.9. Use a =
0.05.
Question 1 of 1 < > -/1 View Policies Current Attempt in Progress Consider the hypothesis test Ho: M1 = H2 against H: MM with known variances o = 11...
1. Consider the hypothesis test Ho: u1=p2 against H1: u 17 M2. Suppose that sample sizes are n1 = 13, n2 = 10 x1=4.7, x2 =6.8, s1= 2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume 01 2 = 022 by completing the steps i. through v. below. Use a = 0.05. HO: 01 2 = 02 20:01 2 * 022 i. Test Statistic ii....
1. Consider the hypothesis test Ho: M1= H2 against Hj: Mit u2. Suppose that sample sizes are ni = 13, N2 = 10 ži=4.7, X2 =6.8, S1=2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume o = ož by completing the steps i. through v. below. Use a = 0.05. Ho: 01 = ož Họ: 0 + 03 i. Test Statistic: ii. Rejection Criterion: iii....
1. Consider the hypothesis test Ho: Mi=u2 against Hj: uit U2. Suppose that sample sizes are ni = 13, n2 = 10 #1=4.7, X 2 =6.8, s1=2 and s2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (a) Confirm that it is reasonable to assume o? = ož by completing the steps i. through v. below. Use a = 0.05. Ho: 0 = ož Ho: 02 i. Test Statistic: ü. Rejection Criterion: iii. Decision (reject...
Consider the hypothesis test Ho: Mi = U2 against HL : M1 <H2 with known variances a = 9 and 62 = 5. Suppose that sample sizes nj = 9 and n2 = 15 and that I = 14.3 and 12 = 19.5. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if H1 is 4 units less than 2? (c) Assuming equal sample sizes, what...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho : M1 = up against H1 : M1 < u2 with known variances 01 = 10 and 02 = - 6. Suppose that sample sizes ni = 11 and n2 = 14 and that ži = 14.3 and 12 = 19.6. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if ui is 4...
Chapter 10 Section 1 Additional Problem 1 Consider the hypothesis test Ho: M1 = H2 against H:41 <H2 with known variances j = 10 and 62 = 5. Suppose that sample sizes nj = 10 and 12 = 15 and that Ij = 14.2 and 12 = 19.7. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if u1 is 4 units less than 2? (c)...
1. Consider the hypothesis test Ho:ui= u2 against Hi: 417 42. Suppose that sample sizes are n1 = 13, N2 = 10 X1=4.7, x2=6.8, s1=2 and S2 =2.5. Assume that the data are randomly drawn from two independent Normal distributions (b) Complete the steps i. through to test the hypothesis stated in number 1 using a = 0.05 and the fact that the populations variances can be assumed to be equal. Ho: Mi= H2 Hj: Mit up i. Test Statistic:...
Consider the hypothesis test Ho: Mi = u2 against Hui < u2 with known variances 01 = 10 and 02 = 6. Suppose that sample sizes nj = 11 and n2 = 14 and that Ij = 14.3 and I2 = 19.6. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if fi is 4 units less than 12? (C) Assuming equal sample sizes, what sample...
Consider the hypothesis test Ho: Mi = u2 against Hui <Hz with known variances j = 9 and 02 = 5. Suppose that sample sizes n = 9 and n2 = 15 and that j = 14.3 and 12 = 19.5. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) if u is 4 units less than 12? (c) Assuming equal sample sizes, what sample size...
Consider the hypothesis test Ho : H1 = H2 against H1 : HI # Hz
with known variances oj = 1 1 and oz = 4. Suppose that sample sizes
ni = 11 and n2 = 16 and that X = 4,7 and X2 = 7.9. Use a =
0.05.
Question 1 of 1 < > -/1 View Policies Current Attempt in Progress Consider the hypothesis test Ho: M1 = H2 against H: MM with known variances o = 11...
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