Homework Answers
The p - value doesn't give strong evidence because it is very large.
Option C is correct.
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Does a P-value of 0.37 give strong evidence or not especially strong evidence against the null...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
Score: 0.5 of 1 pt Question Help * For the given P-value, refer to the table...
Score: 0.5 of 1 pt Question Help * For the given P-value, refer to the table to determine the strength of the evidence against the null hypothesis P-value Evidence against Ho Weak or none P>0.10 P = 0.085 0.05<P s0.10 Moderate 0.01 <Ps0.05 Strong Pš0.01 Very strong The P-value gives evidence against the null hypothesis because it falls in the range no very strong strong moderate Score: 0.5 of 1 pt 8 of 16 (7 complete) HW Score: 35.63%, 5.7...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to complete parts (a) through (d) below. a. Find the P-value for He: p>0.50. (Round to three decimal places as needed.) b. Find the P-value for H, :p*0.50 (Round to three decimal places as needed.) c. Find the P-value for He:p<0.50. (Hint: The P-values for the two possible one-sided tests must sum to 1.) (Round to three decimal places as needed.) d. Do any of...
The P-value for a hypothesis test is given. Determine whether the strength of the evidence against...
The P-value for a hypothesis test is given. Determine whether the strength of the evidence against the null hypothesis is weak/none, moderate, strong, or very strong. P = 0.13
Question 6 (3 points) A large p-value (above 10) means O we have some evidence that...
Question 6 (3 points) A large p-value (above 10) means O we have some evidence that Ho is not true. ve have strong evidence that Ho is not true. we would not reject Ho. Which of the following value of t would indicate the strongest correlation? 0-67 Oo 0.57 For a null hypothesis, Ho: -4,000. If the 10 level of significance is used and the z-test statistic is 1.8, what is our decision regarding the null hypothesis? Do not reject...
15. The data table represents the measure of a variable before and after a treatment. Does...
15. The data table represents the measure of a variable before and after a treatment. Does the sample evidence suggest that the treatment is effective in decreasing the value of the response variable? Use the a= 0.05 level of significance. Complete parts (a) through (d). Individual Before, After, y 1 40 4 2 30 3 52 5 36 50 38 33 48 47 31 (a) What type of test should be used? Choose the correct answer below. O A. A...
Queson Help For the given P-value, refer to the table to determine the strength of the...
Queson Help For the given P-value, refer to the table to determine the strength of the evidence against the null hypothesis Evidence against Ho P>0.10 Weak or none 0.05 P s 0.10 Moderate 0.01<Ps0.05 Strong P = 0.092 P50.01 Very strong The P-value gives Vevidence against the null hypothesis because it falls in the range Ps0.01 P>0.10. 0.01<Ps0.05. 0.05 Ps0.10 destion Help For the given P-value, refer to the table to determine the strength of the evidence against the null...
The p-value of a hypothesis test provides information about the strength of evidence against the null...
The p-value of a hypothesis test provides information about the strength of evidence against the null hypothesis, from which you are able to ‘reject’ or ‘fail to reject’ conclusions based on a pre-set α. (Please justify your selection) (a) True (b) False
A survey of 1,680 randomly selected adults showed that 549 of them have heard of a...
A survey of 1,680 randomly selected adults showed that 549 of them have heard of a new electronic reader. The accompanying technology display results from a test of the claim that 37% of adults have heard of the new electronic reader. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts a through e Sample proportion: 0.326786 Test statistic Critical z: P-Value z:-3.6687 ± 2.5758 0.0002 a. Is the test...
5. Conduct a test at the a=0,01 level of significance by determining (a) the null and...
5. Conduct a test at the a=0,01 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether P, > P2. The sample data are xy = 116, n = 251, x2 = 132, and n2 = 301 (a) Choose the correct null and alternative hypotheses below. O A. Ho: P1 = P2 versus H: PHP2...
For a test of Ho: p=0.50, the sample proportion is 0.43 based on a sample size of 100. Use this information to complete parts (a) through (c) below. a. Find the test statistic z. b. Find the P-value for Hyp<0.50. P-value = (Round to three decimal places as needed.) c. Does the P-value in (b) give much evidence against H,? A. The P-value does not give strong evidence against Ho. The P-value indicates that the null hypothesis is plausible. B....
Score: 0.5 of 1 pt Question Help * For the given P-value, refer to the table to determine the strength of the evidence against the null hypothesis P-value Evidence against Ho Weak or none P>0.10 P = 0.085 0.05<P s0.10 Moderate 0.01 <Ps0.05 Strong Pš0.01 Very strong The P-value gives evidence against the null hypothesis because it falls in the range no very strong strong moderate Score: 0.5 of 1 pt 8 of 16 (7 complete) HW Score: 35.63%, 5.7...
For a test of He: p=0.50, the z test statistic equals 1.02. Use this information to complete parts (a) through (d) below. a. Find the P-value for He: p>0.50. (Round to three decimal places as needed.) b. Find the P-value for H, :p*0.50 (Round to three decimal places as needed.) c. Find the P-value for He:p<0.50. (Hint: The P-values for the two possible one-sided tests must sum to 1.) (Round to three decimal places as needed.) d. Do any of...
Question 6 (3 points) A large p-value (above 10) means O we have some evidence that Ho is not true. ve have strong evidence that Ho is not true. we would not reject Ho. Which of the following value of t would indicate the strongest correlation? 0-67 Oo 0.57 For a null hypothesis, Ho: -4,000. If the 10 level of significance is used and the z-test statistic is 1.8, what is our decision regarding the null hypothesis? Do not reject...
15. The data table represents the measure of a variable before and after a treatment. Does the sample evidence suggest that the treatment is effective in decreasing the value of the response variable? Use the a= 0.05 level of significance. Complete parts (a) through (d). Individual Before, After, y 1 40 4 2 30 3 52 5 36 50 38 33 48 47 31 (a) What type of test should be used? Choose the correct answer below. O A. A...
Queson Help For the given P-value, refer to the table to determine the strength of the evidence against the null hypothesis Evidence against Ho P>0.10 Weak or none 0.05 P s 0.10 Moderate 0.01<Ps0.05 Strong P = 0.092 P50.01 Very strong The P-value gives Vevidence against the null hypothesis because it falls in the range Ps0.01 P>0.10. 0.01<Ps0.05. 0.05 Ps0.10 destion Help For the given P-value, refer to the table to determine the strength of the evidence against the null...
A survey of 1,680 randomly selected adults showed that 549 of them have heard of a new electronic reader. The accompanying technology display results from a test of the claim that 37% of adults have heard of the new electronic reader. Use the normal distribution as an approximation to the binomial distribution, and assume a 0.01 significance level to complete parts a through e Sample proportion: 0.326786 Test statistic Critical z: P-Value z:-3.6687 ± 2.5758 0.0002 a. Is the test...
5. Conduct a test at the a=0,01 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples were obtained independently from a large population using simple random sampling. Test whether P, > P2. The sample data are xy = 116, n = 251, x2 = 132, and n2 = 301 (a) Choose the correct null and alternative hypotheses below. O A. Ho: P1 = P2 versus H: PHP2...
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