Homework Answers
A type I error occurs when one incorrectly rejects the null hypothesis
Here the machine is shut based on the output of hypothesis test where the null hypothesis is rejected and it was concluded that the machine is malfunctioning.
Hence Type I error was made
Option A
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Question 6 3 pts A hypothesis test is used to prevent a machine from under or overfilling bottles of soda. On the basis...
A hypothesis test is used to prevent a machine from overfilling or under filling bottles of...
A hypothesis test is used to prevent a machine from overfilling or under filling bottles of soda. On the basis of a sample, the hypothesis is rejected and the machine is shut down for inspection. A thorough examination reveals there is nothing wrong with the filling machine. From a statistical point of view: A Type II error was made A correct decision was made A Type I and Type II error was made A Type I error was made
Question 6 3 pts A hypothesis test is used to prevent a machine from under or...
Question 6 3 pts A hypothesis test is used to prevent a machine from under or overfilling bottles of soda. On the basis of a sample, the hypothesis is rejected and the machine is shut down for inspection. An examination reveals there is nothing wrong with the filling machine. From a statistical point of view: O A Type II Error was made O A correct decision was made O A Type 1 Error was made O A Type I and...
CENGAGE MINDTAP Search this course napter 9 Assignment ох eBook Consider the following hypothesis test: HO:...
CENGAGE MINDTAP Search this course napter 9 Assignment ох eBook Consider the following hypothesis test: HO: 50 OH > 50 A sample of 50 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use a = .05. a. With I-52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? b....
A can of soda is labeled as containing 10 Ruld ounces. The quality control manager wants...
A can of soda is labeled as containing 10 Ruld ounces. The quality control manager wants to verify that the fining machine is neither over ng or underling the car. Complete parts a town in below (a) Determine the land alternative hypotheses at would be used to determine if the filling machine is colorated correctly HY (Type integers or decimals. Do not round) (b) The quality control manager obtains a sample of 83 cars and measures the contents. The sample...
2side Hypothesis Testing_03 (two independent sam machines are used for filling plastic battle with a new volume of...
2side Hypothesis Testing_03 (two independent sam machines are used for filling plastic battle with a new volume of 16.0 ounces. The fill volume can be assumed was with standard deviations d. 0.020 and 0.025 ounces. A member of the quality engineering staff that both machines fill to the same mean net volume, whether or not this volume is 16.0 ounces. random sample of 10 bottles is taken from the output of each machine: Machine 01 16.03 16.01 16.04 15.96 16.05...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not effective. Suppose that the medical treatment is truly effective, but a researcher does not reject the null hypothesis at the 5-percent level of significance. This researcher o is guilty of a post hoc ergo propter hoc fallacy. o has conducted a test with high statistical power. o has made a Type 1 error. o has made a Type 2 error. Question 26 3 pts...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a Z-test Use Analyze > Distribution. Then select the variable and then at the red triangle, select Test Probabilities and enter the hypothesized value in the dialogue box. Go to Add Ins. Select Hypothesis Test for One Proportion from the list, select Raw or Summarized data, pick the column that contains the variable and then type in the value associated with success EXACTLY the way...
please answer all question 16-20 Question 16 2 pts The population mean for a standardized test...
please answer all question 16-20
Question 16 2 pts The population mean for a standardized test is 250. A research study with N = 30 adults from Virginia had a mean score of 260, with a 95% confidence interval of the mean reported as [248, 272]. What decision should be made based on this confidence interval? o Run the hypothesis test again o Accept the research hypothesis o Reject the null hypothesis o Fail to reject the null hypothesis Question...
Name: Section Number To be graded assignments must be completed and submitted on the original book...
Name: Section Number To be graded assignments must be completed and submitted on the original book page Hypothesis Testing -As a Diagnostic Test ? Answer the following questions over the content material you just read or watched. 1. What is a false positive rate in the context of hypothesis testing? 2. What is the goal of hypothesis testing? 3. What is a Type I error, and how is it related to an "alpha level?" 4. What does it mean to...
1. Many companies use a incoming shipments of parts, raw materials, and so on. In the...
1. Many companies use a incoming shipments of parts, raw materials, and so on. In the electronics industry, component parts are commonly shipped from suppliers in large lots. Inspection of a sample of n components can be viewed as the n trials of a binomial experimem. The outcome for each component tested (trialD will be that the component is classified as good or defective defective components in the lot do not exceed 1 %. Suppose a random sample of fiver...
Question 6 3 pts A hypothesis test is used to prevent a machine from under or overfilling bottles of soda. On the basis of a sample, the hypothesis is rejected and the machine is shut down for inspection. An examination reveals there is nothing wrong with the filling machine. From a statistical point of view: O A Type II Error was made O A correct decision was made O A Type 1 Error was made O A Type I and...
CENGAGE MINDTAP Search this course napter 9 Assignment ох eBook Consider the following hypothesis test: HO: 50 OH > 50 A sample of 50 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use a = .05. a. With I-52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50? b....
A can of soda is labeled as containing 10 Ruld ounces. The quality control manager wants to verify that the fining machine is neither over ng or underling the car. Complete parts a town in below (a) Determine the land alternative hypotheses at would be used to determine if the filling machine is colorated correctly HY (Type integers or decimals. Do not round) (b) The quality control manager obtains a sample of 83 cars and measures the contents. The sample...
2side Hypothesis Testing_03 (two independent sam machines are used for filling plastic battle with a new volume of 16.0 ounces. The fill volume can be assumed was with standard deviations d. 0.020 and 0.025 ounces. A member of the quality engineering staff that both machines fill to the same mean net volume, whether or not this volume is 16.0 ounces. random sample of 10 bottles is taken from the output of each machine: Machine 01 16.03 16.01 16.04 15.96 16.05...
Question 25 3 pts Suppose that the null hypothesis is that the medical treatment is not effective. Suppose that the medical treatment is truly effective, but a researcher does not reject the null hypothesis at the 5-percent level of significance. This researcher o is guilty of a post hoc ergo propter hoc fallacy. o has conducted a test with high statistical power. o has made a Type 1 error. o has made a Type 2 error. Question 26 3 pts...
Question 6 (1 point) In JMP, to conduct a Hypothesis Test about one proportion using a Z-test Use Analyze > Distribution. Then select the variable and then at the red triangle, select Test Probabilities and enter the hypothesized value in the dialogue box. Go to Add Ins. Select Hypothesis Test for One Proportion from the list, select Raw or Summarized data, pick the column that contains the variable and then type in the value associated with success EXACTLY the way...
please answer all question 16-20
Question 16 2 pts The population mean for a standardized test is 250. A research study with N = 30 adults from Virginia had a mean score of 260, with a 95% confidence interval of the mean reported as [248, 272]. What decision should be made based on this confidence interval? o Run the hypothesis test again o Accept the research hypothesis o Reject the null hypothesis o Fail to reject the null hypothesis Question...
Name: Section Number To be graded assignments must be completed and submitted on the original book page Hypothesis Testing -As a Diagnostic Test ? Answer the following questions over the content material you just read or watched. 1. What is a false positive rate in the context of hypothesis testing? 2. What is the goal of hypothesis testing? 3. What is a Type I error, and how is it related to an "alpha level?" 4. What does it mean to...
1. Many companies use a incoming shipments of parts, raw materials, and so on. In the electronics industry, component parts are commonly shipped from suppliers in large lots. Inspection of a sample of n components can be viewed as the n trials of a binomial experimem. The outcome for each component tested (trialD will be that the component is classified as good or defective defective components in the lot do not exceed 1 %. Suppose a random sample of fiver...
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