One can say: " A researcher made a type 2 error" when: A. A researcher failed...
One can say: " A researcher made a type 2 error" when:
A. A researcher failed to reject a Ho incorrectly
B. A researcher rejects a Ho correctly
C. A researcher failed to reject a Ho correctly
D. A researcher rejects a Ho incorrectly
Homework Answers
Answer is option A. Type 2 error is a statistical term which tells about the error that occurs when the researcher fails to reject H0, i.e., null hypothesis which is actually false.
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One can say: " A researcher made a type 2 error" when:
A. A researcher failed...
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...
1) Which type of error is more likely to be made if it is difficult to...
1) Which type of error is more likely to be made if it is difficult to perform sampling and there is high population variance? Select one: a. Type I error b. Type II error c. Type III error d. a and b, but not c e. a, b and c 2) Pearson's r is suitable to measure the linear relationship between two __________ level variables. Select one: a. interval/ratio b. ratio but not interval c. interval but not ratio d....
Suppose you used 5% significance level to make a decision: you failed to reject Ho. Now,...
Suppose you used 5% significance level to make a decision: you failed to reject Ho. Now, based on your decision, which one of the below sentence is correct: We made type I error We might have made type I error We made type II error We might have made type II error
When doing hypothesis testing in the real world • A. the researcher knows when the effects...
When doing hypothesis testing in the real world • A. the researcher knows when the effects are real, but does not know when they are not real. • B. the researcher rarely knows the population parameters • C. the researcher knows when he or she has made a Type I error. • D. the researcher knows when he or she has made a Type II error.
Identify a decision as either a Type l error or Type Il error.
Identify a decision as either a Type l error or Type Il error. A spice box manufacturing company is having difficulty filling packets to the required 50 grams. Suppose a business researcher randomly selects 60 boxes, weighs each of them and computes its mean. By chance, the researcher selects packets that have been filled adequately and that is how he gets the mean weight of 50 g, which falls in the "fail to reject" region. The decision is to fail to reject...
A researcher compares the pay rates of a sample of employees at his company, and, with...
A researcher compares the pay rates of a sample of employees at his company, and, with hypothesis testing, is evaluating if men and women are paid the same. The null hypothesis states that both groups have the same average pay; the alternative is that their average pays are different. Which of the following is a type I error in the context of this study? a) The researcher rejects the null hypothesis, suggesting there is a difference between men's and women's...
1. As a researcher you mistakenly reject Ho when you should have failed to reject it....
1. As a researcher you mistakenly reject Ho when you should have failed to reject it. You have committed a error. a.Type I Type II c. Type III 2. The Seven Countries Study (an epidemiologic study) found a correlation of r-84 between deaths from CHD and % of calories consumed from saturated fat. This means that: a. There is an indirect relationship between saturated fat consumption and death from CHD. b.Saturated fat causes CHD c. Further study between saturated fat...
please show your work...................... The probability of a Type I error is denoted by C. a...
please show your work......................
The probability of a Type I error is denoted by C. a d, 1-α b. 1-B a. b. c. d. A Type I error is committed if we make a correct decision when the null hypothesis is false a correct decision when the null hypothesis is true an incorrect decision when the null hypothesis is false. an incorrect decision when the null hypothesis is true 6. a. b. c. d. A Type Il error is committed...
Complete the statement below. A Type II Error is made. Choose the correct answer below. O...
Complete the statement below. A Type II Error is made. Choose the correct answer below. O A. A Type II Error is made when there's not enough evidence to reject the null hypothesis and the null hypothesis is true. OB. A Type II Error is made anytime we do not reject the null hypothesis. OC. A Type II Error is made when there's not enough evidence to reject the null hypothesis, but the null hypothesis is not true. OD. A...
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
Identify a decision as either a Type l error or Type Il error. A spice box manufacturing company is having difficulty filling packets to the required 50 grams. Suppose a business researcher randomly selects 60 boxes, weighs each of them and computes its mean. By chance, the researcher selects packets that have been filled adequately and that is how he gets the mean weight of 50 g, which falls in the "fail to reject" region. The decision is to fail to reject...
1. As a researcher you mistakenly reject Ho when you should have failed to reject it. You have committed a error. a.Type I Type II c. Type III 2. The Seven Countries Study (an epidemiologic study) found a correlation of r-84 between deaths from CHD and % of calories consumed from saturated fat. This means that: a. There is an indirect relationship between saturated fat consumption and death from CHD. b.Saturated fat causes CHD c. Further study between saturated fat...
please show your work......................
The probability of a Type I error is denoted by C. a d, 1-α b. 1-B a. b. c. d. A Type I error is committed if we make a correct decision when the null hypothesis is false a correct decision when the null hypothesis is true an incorrect decision when the null hypothesis is false. an incorrect decision when the null hypothesis is true 6. a. b. c. d. A Type Il error is committed...
Complete the statement below. A Type II Error is made. Choose the correct answer below. O A. A Type II Error is made when there's not enough evidence to reject the null hypothesis and the null hypothesis is true. OB. A Type II Error is made anytime we do not reject the null hypothesis. OC. A Type II Error is made when there's not enough evidence to reject the null hypothesis, but the null hypothesis is not true. OD. 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
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