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An observational study of teams fishing for the red spiny lobster in a certain body of water was conducted and the results published in a science magazine. One of the variables of interest was the average distance separating traps - called "trap spacing" - deployed by the same team of fishermen. Trap spacing measurements (in meters) for a sample of seven teams of fishermen are shown the accompanying table. Of interest is the mean trap spacing for the population of red spiny lobster fishermen fishing in this body of water. Complete parts a through f below. Click the icon to view the trap spacing data. a. Identify the target parameter for this study. The target parameter for this study is b. Compute a point estimate of the target parameter. (Round to two decimal places as needed.) c. What is the problem with using the normal (z) statistic to find a confidence interval for the target parameter? OA. The point estimate is too large to determine an accurate z-statistic. OB. The sample is small and the trap spacing population has unknown distribution and standard deviation. OC. The point estimate is too large to determine an accurate critical value. O D. The z-statistic is used for confidence intervals for proportions, not means. d. Find a 95% confidence interval for the target parameter. (Round to one decimal place as needed.) e. Give a practical interpretation of the interval, part d. Choose the correct answer below. OA. One can be 95% confident the true mean trap spacing distance is one of the end points of the above interval. OB. One can be 95% confident the true mean trap spacing distance lies within the above interval. OC. There is a 95% probability that the true mean trap spacing distance is the mean of the interval. OD. One can be 95% confident the true mean trap spacing distance lies at the mean of the above interval. Trap Spacing Data 91 100 106 Print 93 83 Done 69 84

An observational study of teams fishing for the red spiny lobster in a certain body of water was conducted and the results published in a science magazine. One of the variables of interest was the average distance separating traps - called "trap spacing" - deployed by the same team of fishermen. Trap spacing measurements (in meters) for a sample of seven teams of fishermen are shown the accompanying table. Of interest is the mean trap spacing for the population of red spiny lobster fishermen fishing in this body of water. Complete parts a through f below. Click the icon to view the trap spacing data. a. Identify the target parameter for this study. The target parameter for this study is b. Compute a point estimate of the target parameter. (Round to two decimal places as needed.) c. What is the problem with using the normal (z) statistic to find a confidence interval for the target parameter? OA. The point estimate is too large to determine an accurate z-statistic. OB. The sample is small and the trap spacing population has unknown distribution and standard deviation. OC. The point estimate is too large to determine an accurate critical value. O D. The z-statistic is used for confidence intervals for proportions, not means. d. Find a 95% confidence interval for the target parameter. (Round to one decimal place as needed.) e. Give a practical interpretation of the interval, part d. Choose the correct answer below. OA. One can be 95% confident the true mean trap spacing distance is one of the end points of the above interval. OB. One can be 95% confident the true mean trap spacing distance lies within the above interval. OC. There is a 95% probability that the true mean trap spacing distance is the mean of the interval. OD. One can be 95% confident the true mean trap spacing distance lies at the mean of the above interval. Trap Spacing Data 91 100 106 Print 93 83 Done 69 84

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 2CST
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An observational study of teams fishing for the red spiny lobster in a certain body of water was conducted and the results published in a science magazine. One of the variables of interest was the average distance separating traps-called "trap spacing" - deployed by the same team of fishermen. Trap spacing measurements (in meters) for a sample of seven teams of fishermen are shown in the accompanying table. Of interest is the mean trap spacing for the population of red spiny lobster fishermen fishing in this body of water. Complete parts a through f below. Click the icon to view the trap spacing data. C *** a. Identify the target parameter for this study. The target parameter for this study is b. Compute a point estimate of the target parameter. (Round to two decimal places as needed.) c. What is the problem with using the normal (z) statistic to find a confidence interval for the target parameter? d. Find a 95% confidence interval for the target parameter. (Round to one decimal place as needed.) e. Give a practical interpretation of the interval, part d. Choose the correct answer below. OA. The point estimate is too large to determine an accurate z-statistic. OB. The sample is small and the trap spacing population has unknown distribution and standard deviation. OC. The point estimate is too large to determine an accurate critical value. O D. The z-statistic is used for confidence intervals for proportions, not means. OA. One can be 95% confident the true mean trap spacing distance is one of the end points of the above interval. OB. One can be 95% confident the true mean trap spacing distance lies within the above interval. OC. There is a 95% probability that the true mean trap spacing distance is the mean of the interval. OD. One can be 95% confident the true mean trap spacing distance lies at the mean of the above interval. Trap Spacing Data 91 100 106 Print 93 83 Done 69 84
Transcribed Image Text:An observational study of teams fishing for the red spiny lobster in a certain body of water was conducted and the results published in a science magazine. One of the variables of interest was the average distance separating traps-called "trap spacing" - deployed by the same team of fishermen. Trap spacing measurements (in meters) for a sample of seven teams of fishermen are shown in the accompanying table. Of interest is the mean trap spacing for the population of red spiny lobster fishermen fishing in this body of water. Complete parts a through f below. Click the icon to view the trap spacing data. C *** a. Identify the target parameter for this study. The target parameter for this study is b. Compute a point estimate of the target parameter. (Round to two decimal places as needed.) c. What is the problem with using the normal (z) statistic to find a confidence interval for the target parameter? d. Find a 95% confidence interval for the target parameter. (Round to one decimal place as needed.) e. Give a practical interpretation of the interval, part d. Choose the correct answer below. OA. The point estimate is too large to determine an accurate z-statistic. OB. The sample is small and the trap spacing population has unknown distribution and standard deviation. OC. The point estimate is too large to determine an accurate critical value. O D. The z-statistic is used for confidence intervals for proportions, not means. OA. One can be 95% confident the true mean trap spacing distance is one of the end points of the above interval. OB. One can be 95% confident the true mean trap spacing distance lies within the above interval. OC. There is a 95% probability that the true mean trap spacing distance is the mean of the interval. OD. One can be 95% confident the true mean trap spacing distance lies at the mean of the above interval. Trap Spacing Data 91 100 106 Print 93 83 Done 69 84
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