The following table shows the number of shirts by sizes that are manufactured in a factory on a particular week. Extra-small Small Medium Large Extra large 390 470 520 680 440

I need answers for question A

Extracted text: The following table shows the number of shirts by sizes that are manufactured in a factory on a particular week. Extra-small Small Medium Large Extra large 390 470 520 680 440


Extracted text: a) It was discovered that the sizing of some shirts was labeled incorrectly. (i) Give two reasons why it would be necessary to examine a sample of the shirts produced rather than examine the entire weekly production. (ii) State two differences between a cluster sample and a stratified random sample in this situation. (iii) Using the stratified random sampling technique, calculate the number of medium shirts that will be selected if we require a sample of 375 shirts. (iv) State one advantage of using the stratified random method of collecting the sample. b) Determine the level of measurement that describes the following. (i) The size of the shirt that a customer purchases. (ii) The total amount paid by the customer. (iii) The address of the factory that manufactures the shirts.