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1. What type of error occurs if you fail to reject Ho when, in fact, it is not true? a. Туре II b. Туpe I c. either Type I or Type II, depending on the level of significance d. either Type I or Type II, depending on whether the test is one tail or two tail 2. What do we call an assumption that is made about the value of a population parameter? Нypothesis b. Conclusion a. C. Confidence d. Significance 3. What is the probability of committing a Type I error when the null hypothesis is true? Ja. the hypothesized mean greater than 1 d. the confidence level b. с. the Level of Significance

1. What type of error occurs if you fail to reject Ho when, in fact, it is not true? a. Туре II b. Туpe I c. either Type I or Type II, depending on the level of significance d. either Type I or Type II, depending on whether the test is one tail or two tail 2. What do we call an assumption that is made about the value of a population parameter? Нypothesis b. Conclusion a. C. Confidence d. Significance 3. What is the probability of committing a Type I error when the null hypothesis is true? Ja. the hypothesized mean greater than 1 d. the confidence level b. с. the Level of Significance

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Exercise C Directions: Write the letter of the correct answer. 1. What type of error occurs if you fail to reject Ho when, in fact, it is not true? a. Туре II b. Туpe I c. either Type I or Type II, depending on the level of significance d. either Type I or Type II, depending on whether the test is one tail or two tail 2. What do we call an assumption that is made about the value of a population parameter? Hypothesis b. Conclusion a. c. Confidence d. Significance 3. What is the probability of committing a Type I error when the null hypothesis is true? a. the confidence level b. the hypothesized mean с. greater than 1 d. the Level of Significance 4. Which of the following is true about hypothesis testing? the smaller the Type I error, the smaller the Type II error will be the smaller the Type I error, the larger the Type II error will be Type II error will not be effected by Type I error the sum of Type I and type II errors must equal to 1 a. b. с. d. 5. The null and alternative hypotheses divide all possibilities into: a.two sets that overlap b.two non-overlapping sets c.two sets that may or may not overlap d.as many sets as necessary to cover all possibilities 6. Which of the following is true of the null and alternative hypotheses? a. Exactly one hypothesis must be true b.both hypotheses must be true c. It is possible for both hypotheses to be true d.It is possible for neither hypothesis to be true
Transcribed Image Text:Exercise C Directions: Write the letter of the correct answer. 1. What type of error occurs if you fail to reject Ho when, in fact, it is not true? a. Туре II b. Туpe I c. either Type I or Type II, depending on the level of significance d. either Type I or Type II, depending on whether the test is one tail or two tail 2. What do we call an assumption that is made about the value of a population parameter? Hypothesis b. Conclusion a. c. Confidence d. Significance 3. What is the probability of committing a Type I error when the null hypothesis is true? a. the confidence level b. the hypothesized mean с. greater than 1 d. the Level of Significance 4. Which of the following is true about hypothesis testing? the smaller the Type I error, the smaller the Type II error will be the smaller the Type I error, the larger the Type II error will be Type II error will not be effected by Type I error the sum of Type I and type II errors must equal to 1 a. b. с. d. 5. The null and alternative hypotheses divide all possibilities into: a.two sets that overlap b.two non-overlapping sets c.two sets that may or may not overlap d.as many sets as necessary to cover all possibilities 6. Which of the following is true of the null and alternative hypotheses? a. Exactly one hypothesis must be true b.both hypotheses must be true c. It is possible for both hypotheses to be true d.It is possible for neither hypothesis to be true
7. When does a type II error occur? a. the null hypothesis is incorrectly accepted when it is false b.the null hypothesis is incorrectly rejected when it is true c. the sample mean differs from the population mean d.the test is biased 8. A two-tailed test is one where: a.results in only one direction can lead to rejection of the null hypothesis b.negative sample means lead to rejection of the null hypothesis c.results in either of two directions can lead to rejection of the null hypothesis d.no results lead to the rejection of the null hypothesis 9. Which of the following does the null hypothesis usually represent? a. the theory the researcher would like to prove. b.the preconceived ideas of the researcher c. the perceptions of the sample population d.the status quo 10. Which of the following values is not typically used for a? a. 0.01 b.0.05 c.0.10 d.0.25
Transcribed Image Text:7. When does a type II error occur? a. the null hypothesis is incorrectly accepted when it is false b.the null hypothesis is incorrectly rejected when it is true c. the sample mean differs from the population mean d.the test is biased 8. A two-tailed test is one where: a.results in only one direction can lead to rejection of the null hypothesis b.negative sample means lead to rejection of the null hypothesis c.results in either of two directions can lead to rejection of the null hypothesis d.no results lead to the rejection of the null hypothesis 9. Which of the following does the null hypothesis usually represent? a. the theory the researcher would like to prove. b.the preconceived ideas of the researcher c. the perceptions of the sample population d.the status quo 10. Which of the following values is not typically used for a? a. 0.01 b.0.05 c.0.10 d.0.25
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