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14. A Blu-ray manufacturer knows that the disks are supposed to have a diameter of 120mm. An engineer believes one of the machines is making disks that are the wrong size. He takes a samp. of 10,000 disks and finds that for this machine the mean diameter is 120.07mm. He tests this sample value and finds that the machine is making disks that are significantly different in then 120mm in diameter. Most likely why is such a small difference in size significantly different? a. The population average of 120mm is to high b. The machine just has more variability than other machines c. The sample size is very large, allowing little room for error d. All the above are very likely

14. A Blu-ray manufacturer knows that the disks are supposed to have a diameter of 120mm. An engineer believes one of the machines is making disks that are the wrong size. He takes a samp. of 10,000 disks and finds that for this machine the mean diameter is 120.07mm. He tests this sample value and finds that the machine is making disks that are significantly different in then 120mm in diameter. Most likely why is such a small difference in size significantly different? a. The population average of 120mm is to high b. The machine just has more variability than other machines c. The sample size is very large, allowing little room for error d. All the above are very likely

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 2GP
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14. A Blu-ray manufacturer knows that the disks are supposed to have a diameter of 120mm. An engineer believes one of the machines is making disks that are the wrong size. He takes a samp. of 10,000 disks and finds that for this machine the mean diameter is 120.07mm. He tests this sample value and finds that the machine is making disks that are significantly different in then 120mm in diameter. Most likely why is such a small difference in size significantly different? a. The population average of 120mm is to high b. The machine just has more variability than other machines c. The sample size is very large, allowing little room for error d. All the above are very likely
Transcribed Image Text:14. A Blu-ray manufacturer knows that the disks are supposed to have a diameter of 120mm. An engineer believes one of the machines is making disks that are the wrong size. He takes a samp. of 10,000 disks and finds that for this machine the mean diameter is 120.07mm. He tests this sample value and finds that the machine is making disks that are significantly different in then 120mm in diameter. Most likely why is such a small difference in size significantly different? a. The population average of 120mm is to high b. The machine just has more variability than other machines c. The sample size is very large, allowing little room for error d. All the above are very likely
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