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22) A random sample of n observations, selected from a normal population, is used to test...
12) 12) A random sample of n observations, selected from a normal population, is used to...
12) 12) A random sample of n observations, selected from a normal population, is used to test the null hypothesis Ho a2= 155. Specify the appropriate rejection region. Ha 2< 155, n 14, a .01 B) 12<4.10691 D) x2<27.6883 C) x2< 29.1413 A) 12<4.66043
A random sample of n observations is selected from a normal population to test the null...
A random sample of n observations is selected from a normal population to test the null hypothesis that p= 10. Specify the rejection region for each of the following combinations of Hą, a, and n. a. H: # 10; a = 0.01; n= 16 b. H: > 10; a=0.05; n=23 c. H: > 10; a=0.10; n= 11 d. H u<10; a= 0.05; n= 13 e. H u# 10; a = 0.10; n=22 f. H u<10; a=0.01; n=7 a. Select the...
A random sample of n observations is selected from a normal population to test the null...
A random sample of n observations is selected from a normal population to test the null hypothesis that p = 10. Specify the rejection region for each of the following combinations of Ha, a, and n. a. H: 10; a=0.10, n=13 b. H, > 10; a=0.01; n=24 c. H : > 10; c = 0.05 n=11 d. Hu<10;=0.01; n= 10 e. H: * 10; a =0.05; n =18 f. H: <10; x = 0.10; n=5 (Round to three decimal places...
The observations from a random sample of n = 6 from a normal population are: 13.15,...
The observations from a random sample of n = 6 from a normal population are: 13.15, 13.72, 12.58, 13.77, 13.01, 13.06. Test the null hypothesis of H0:μ=13 against the alternative hypothesis of H1:μ<13. Use a 5% level of significance. Answer the following, rounding off your answer to three decimal places. (a) What is the sample mean? (b) What is the sample standard deviation? (c) What is the test statistic used in the decision rule? (d) Can the null hypothesis be...
A random sample of n = 10 observations from a normal population produced x = 47.8...
A random sample of n = 10 observations from a normal population produced x = 47.8 and s2 = 4.3. Test the hypothesis H0: μ = 48 against Ha: μ ≠ 48 at the 5% level of significance. State the test statistic. (Round your answer to three decimal places.) t = State the rejection region. (If the test is one-tailed, enter NONE for the unused region. Round your answers to three decimal places.) t > t <
Suppose a random sample of 100 observations from a binomial population gives a value of p...
Suppose a random sample of 100 observations from a binomial population gives a value of p = 0.45 and you wish to test the null hypothesis that the population parameter p is equal to 0.40 against the alternative hypothesis that p is greater than 0.40. Complete parts a through c. a. Noting that p = 0.45, what does your intuition tell you? Does the value of p appear to contradict the null hypothesis? O A. Yes, because p satisfies Hg:p>0.40...
A sample of 36 observations is selected from a normal population
1. A sample of 36 observations is selected from a normal population. The sample mean is 21 , and the population standards deviation is 5 . Conduct a test of hypothesis using the 0.05 significance level. Null hypothesis =20 . Alternate = ?2. A sample of 81 observations is taken from normal population with a standard deviation of 5 . The sample mean is 40 . Determine the 95 %confidence interval for the population.3. Given the following sample observations which...
A sample of 36 observations is selected from a normal population.
A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the following test of hypothesis using the .05 significance level.H0: μ ≤ 20H1: μ > 20
A sample of 48 observations is selected from a normal population. The sample mean is 22,...
A sample of 48 observations is selected from a normal population. The sample mean is 22, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level. H0: μ ≤ 21 H1: μ > 21 What is the p-value? (Round your answer to 4 decimal places.)
A random sample of n = 12 individuals is selected from a population with µ =...
A random sample of n = 12 individuals is selected from a population with µ = 70, and a treatment is administered to each individual in the sample. After treatment, the sample mean is found to be M = 74.5 with SS = 297. Use the Distributions tool to help answer the questions that follow. t Distribution Degrees of Freedom = 21 -3.0-2.0-1.00.01.02.03.0x.5000.50000.000 QUESTION: How much difference is there between the mean for the treated sample and the mean for...
12) 12) A random sample of n observations, selected from a normal population, is used to test the null hypothesis Ho a2= 155. Specify the appropriate rejection region. Ha 2< 155, n 14, a .01 B) 12<4.10691 D) x2<27.6883 C) x2< 29.1413 A) 12<4.66043
A random sample of n observations is selected from a normal population to test the null hypothesis that p= 10. Specify the rejection region for each of the following combinations of Hą, a, and n. a. H: # 10; a = 0.01; n= 16 b. H: > 10; a=0.05; n=23 c. H: > 10; a=0.10; n= 11 d. H u<10; a= 0.05; n= 13 e. H u# 10; a = 0.10; n=22 f. H u<10; a=0.01; n=7 a. Select the...
A random sample of n observations is selected from a normal population to test the null hypothesis that p = 10. Specify the rejection region for each of the following combinations of Ha, a, and n. a. H: 10; a=0.10, n=13 b. H, > 10; a=0.01; n=24 c. H : > 10; c = 0.05 n=11 d. Hu<10;=0.01; n= 10 e. H: * 10; a =0.05; n =18 f. H: <10; x = 0.10; n=5 (Round to three decimal places...
Suppose a random sample of 100 observations from a binomial population gives a value of p = 0.45 and you wish to test the null hypothesis that the population parameter p is equal to 0.40 against the alternative hypothesis that p is greater than 0.40. Complete parts a through c. a. Noting that p = 0.45, what does your intuition tell you? Does the value of p appear to contradict the null hypothesis? O A. Yes, because p satisfies Hg:p>0.40...
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