Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car insurance. She wants to obtain a sample of 40 employees. She selections employees from each department in proportion to the number of individuals the departments i. Define the term population with relation to the question above. ii. What type of sampling method did Caitlyn use? iii. List two advantages of the sampling method stated in ii). iv. Below are the number of individuals in each department Department Numbers Accounts - 18 Marketing - 24 Sales - 43 Repairs - 35 How many employees from the Marketing department should Caitlyn select to be part of the sample? v. Another employee suggested that Caitlyn should group employees by the type of car they own. State a reason why grouping the employees in this way will NOT be appropriate to select this sample using the sampling method in ii.
b) Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car insurance. She wants to obtain a sample of 40 employees. She selections employees from each department in proportion to the number of individuals the departments
i. Define the term population with relation to the question above.
ii. What type of sampling method did Caitlyn use?
iii. List two advantages of the sampling method stated in ii).
iv. Below are the number of individuals in each department
Department Numbers
Accounts - 18
Marketing - 24
Sales - 43
Repairs - 35
How many employees from the Marketing department should Caitlyn select to be part of the sample?
v. Another employee suggested that Caitlyn should group employees by the type of car they own. State a reason why grouping the employees in this way will NOT be appropriate to select this sample using the sampling method in ii.
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