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A haulage company employs 168 drivers, 36 office workers and 36 mechanics. A manager selects a sample of 20 employees using random stratified sampling. 1)
| A haulage company employs 168 drivers, 36 office workers and 36 mechanics. | ||||||||||
| A manager selects a sample of 20 employees using random stratified sampling. | ||||||||||
| 1) | How many drivers are selected? | |||||||||
| 2) | What percentage of the sample of 20 employees are mechanics? | to 1dp | ||||||||
| A Quality Control Manager takes a systematic sample of size 8 from a total of 72 components. | ||||||||||
| 1) | Calculate the sampling interval to be used. | |||||||||
| 2) | Suppose a random number of 5 is generated to start the sampling process. | |||||||||
| If the components are numbered 1 to 72, state the number of the 3rd component selected in the sample. | ||||||||||
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Regulation And The Credit Rating Agencies Restraining Ancillary Services
Authors: Daniel Cash
1st Edition
036758803X, 978-0367588038
