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al 16. For each of the following situations, state whether Type 1, Type II, or neither...
For the following situation, state whether a Type l, a Type l, or neither error has...
For the following situation, state whether a Type l, a Type l, or neither error has been made. A test of Ho: p 0.4 vs. HA: p <0.4 fails to reject the null hypothesis. Later it is discovered that p 0.3. What type of error, if any, has been made? Choose the correct answer below O A. Type Il Error B. Type I Error O C. No Error
I am unsure, is it Type 1? For the following situation, state whether a Type l,...
I am unsure, is it Type 1?
For the following situation, state whether a Type l, a Type l, or neither error has been made. A test of Ho: p 0.4 vs. HA: p <0.4 fails to reject the null hypothesis. Later it is discovered that p 0.3. What type of error, if any, has been made? Choose the correct answer below O A. Type Il Error B. Type I Error O C. No Error
(a) Determine the null and alternative hypotheses, (b) explain what it would mean to make a...
(a) Determine the null and alternative hypotheses, (b) explain what it would mean to make a type Forror, and (c) explain what it would mean to make a type Il error. Six years ago, 12.2% of registered births were to teenage mothers. A sociologist believes that the percentage has increased since then (a) Which of the following is the hypothesis test to be conducted? OA. Hy p=0.122. H, P#0.122 OB. Hy: p=0.122 H, p>0.122 Oc. Họ p= 0.122 H, p...
1. Which of the following demonstrates a Type I Error? A. A researcher obtains a significant...
1. Which of the following demonstrates a Type I Error? A. A researcher obtains a significant result and rejects the null hypothesis when the result is actually due to random chance and sampling error. B. A researcher obtains a significant result and fails to reject the null hypothesis when the result is actually due to random chance and sampling error. C. A researcher obtains a nonsignificant result and rejects the null hypothesis when the result is actually due to a...
Based on the power curve shown below, which one of the following statements is false? power...
Based on the power curve shown below, which one of the following statements is false? power 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.0 19 20 21 23 24 25 The probability of a type I error is 0.10 The probability of a type Il error when H 21 is equal to 0.26 The null hypothesis is H0: μ-20 The power of the test when μ-23 is 0.91.
In a program designed to help patients stop smoking, 236 patients were given sustained care, and...
In a program designed to help patients stop smoking, 236 patients were given sustained care, and 84.3% of them were no longer smoking after one month. Use a 0.05 significance level to test the claim that 80% of patients stop smoking when given sustained care. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho:p*0.8 H: p=0.8 OB. Ho: P = 0.8 H:p<0.8 @ C. Ho: p = 0.8 H:p*0.8 OD. Ho: p=0.8...
also explain answer State the null and alternative hypotheses for a hypothesis test, indicate whether the...
also explain answer
State the null and alternative hypotheses for a hypothesis test, indicate whether the hypothesis test will be left-tailed, night-tailed or two tailed and clearly state the two possible conclusions that address the given claim A quality control manager at a manufacturing company claims that the proportion of defective transistors is less than 0.08 Which of the following is the hypothesis test to be conducted? O A. Ho p=0.08 H. p> о ов 6 C Hp p= 0...
This Question: 4 pts 4 13 of 19 (1 complete) This Test: 50 pts possible A...
This Question: 4 pts 4 13 of 19 (1 complete) This Test: 50 pts possible A young investor believes that he can beat the market by picking stocks that will increase in value. Assume that on average 49% of the stocks selected by a portfolio Manager will increase over 12 months of the 25 stocks that the young investor bought over the last 12 months, 21 have increased. Can hedaim that he is better at predicting increases than the typical...
1) Determine whether each of the following applies to the mull or the alternative hypothesis. A)...
1) Determine whether each of the following applies to the mull or the alternative hypothesis. A) Ho B) Ha or H C) The hypothesis that has equality (i.e. no difference). D) The hypothesis that has no equality (i.e. greater, less, or different). E) The hypothesis we assume is true until we have evidence to reject it. F) The research hypothesis. The goal in a hypothesis test is to test a claim. hypothesis. hypothesis. G) The statistical evidence can only support...
State whether each of the following are either always true (T) or not always true (F)
State whether each of the following are either always true (T)
or not always true (F)
(a) If you have two estimators for a parameter θ, with B(A) > B(92) and V(h) > V(92), then θ2 is consistent and θι is not consistent. (b) If Xi ~ Bernoulli(p) for i-: 1, , 1000, then Y-Σ21X, is normally distributed. (c) If you fail to reject a two-sided hypothesis test at the level a, then you wil also fail to reject a...
For the following situation, state whether a Type l, a Type l, or neither error has been made. A test of Ho: p 0.4 vs. HA: p <0.4 fails to reject the null hypothesis. Later it is discovered that p 0.3. What type of error, if any, has been made? Choose the correct answer below O A. Type Il Error B. Type I Error O C. No Error
I am unsure, is it Type 1?
For the following situation, state whether a Type l, a Type l, or neither error has been made. A test of Ho: p 0.4 vs. HA: p <0.4 fails to reject the null hypothesis. Later it is discovered that p 0.3. What type of error, if any, has been made? Choose the correct answer below O A. Type Il Error B. Type I Error O C. No Error
(a) Determine the null and alternative hypotheses, (b) explain what it would mean to make a type Forror, and (c) explain what it would mean to make a type Il error. Six years ago, 12.2% of registered births were to teenage mothers. A sociologist believes that the percentage has increased since then (a) Which of the following is the hypothesis test to be conducted? OA. Hy p=0.122. H, P#0.122 OB. Hy: p=0.122 H, p>0.122 Oc. Họ p= 0.122 H, p...
Based on the power curve shown below, which one of the following statements is false? power 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.0 19 20 21 23 24 25 The probability of a type I error is 0.10 The probability of a type Il error when H 21 is equal to 0.26 The null hypothesis is H0: μ-20 The power of the test when μ-23 is 0.91.
In a program designed to help patients stop smoking, 236 patients were given sustained care, and 84.3% of them were no longer smoking after one month. Use a 0.05 significance level to test the claim that 80% of patients stop smoking when given sustained care. Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho:p*0.8 H: p=0.8 OB. Ho: P = 0.8 H:p<0.8 @ C. Ho: p = 0.8 H:p*0.8 OD. Ho: p=0.8...
also explain answer
State the null and alternative hypotheses for a hypothesis test, indicate whether the hypothesis test will be left-tailed, night-tailed or two tailed and clearly state the two possible conclusions that address the given claim A quality control manager at a manufacturing company claims that the proportion of defective transistors is less than 0.08 Which of the following is the hypothesis test to be conducted? O A. Ho p=0.08 H. p> о ов 6 C Hp p= 0...
This Question: 4 pts 4 13 of 19 (1 complete) This Test: 50 pts possible A young investor believes that he can beat the market by picking stocks that will increase in value. Assume that on average 49% of the stocks selected by a portfolio Manager will increase over 12 months of the 25 stocks that the young investor bought over the last 12 months, 21 have increased. Can hedaim that he is better at predicting increases than the typical...
1) Determine whether each of the following applies to the mull or the alternative hypothesis. A) Ho B) Ha or H C) The hypothesis that has equality (i.e. no difference). D) The hypothesis that has no equality (i.e. greater, less, or different). E) The hypothesis we assume is true until we have evidence to reject it. F) The research hypothesis. The goal in a hypothesis test is to test a claim. hypothesis. hypothesis. G) The statistical evidence can only support...
State whether each of the following are either always true (T)
or not always true (F)
(a) If you have two estimators for a parameter θ, with B(A) > B(92) and V(h) > V(92), then θ2 is consistent and θι is not consistent. (b) If Xi ~ Bernoulli(p) for i-: 1, , 1000, then Y-Σ21X, is normally distributed. (c) If you fail to reject a two-sided hypothesis test at the level a, then you wil also fail to reject a...
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